docs: new readme (#6240)

Co-authored-by: David Luzar <luzar.david@gmail.com>

README.md

@@ -1,44 +1,126 @@
-<div align="center" style="display:flex;flex-direction:column;"}>
-  <a href="https://excalidraw.com">
-    <img width="540" src="./public/og-image-sm.png" alt="Excalidraw logo: Sketch handrawn like diagrams."/>
+<a href="https://excalidraw.com/" target="_blank" rel="noopener">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" alt="Excalidraw" srcset="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github%2FExcalidraw_Github_cover_dark.png" />
+    <img alt="Excalidraw" src="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github%2FExcalidraw_Github_cover.png" />
+  </picture>
+</a>
+
+<h4 align="center">
+  <a href="https://excalidraw.com">Excalidraw Editor</a> |
+  <a href="https://blog.excalidraw.com">Blog</a> |
+  <a href="https://docs.excalidraw.com">Documentation</a> |
+  <a href="https://plus.excalidraw.com">Excalidraw+</a>
+</h4>
+
+<div align="center">
+  <h2>
+    An open source virtual hand-drawn style whiteboard. </br>
+    Collaborative and end-to-end encrypted. </br>
+  <br />
+  </h3>
+</div>
+
+<br />
+<p align="center">
+  <a href="https://github.com/excalidraw/excalidraw/blob/master/LICENSE">
+    <img alt="Excalidraw is released under the MIT license." src="https://img.shields.io/badge/license-MIT-blue.svg"  />
   </a>
-  <h3>Virtual whiteboard for sketching hand-drawn like diagrams.<br/>Collaborative and end-to-end encrypted.</h3>
-  <p>
-    <a href="https://twitter.com/excalidraw">
-      <img alt="Follow Excalidraw on Twitter" src="https://img.shields.io/twitter/follow/excalidraw.svg?label=follow+@excalidraw&style=social&logo=twitter"/>
-    </a>
-    <a href="https://discord.gg/UexuTaE">
-      <img alt="Chat with us on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widge=false"/>
+  <a href="https://docs.excalidraw.com/docs/introduction/contributing">
+    <img alt="PRs welcome!" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat"  />
+  </a>
+  <a href="https://discord.gg/UexuTaE">
+    <img alt="Chat on Discord" src="https://img.shields.io/discord/723672430744174682?color=738ad6&label=Chat%20on%20Discord&logo=discord&logoColor=ffffff&widge=false"/>
+  </a>
+  <a href="https://twitter.com/excalidraw">
+    <img alt="Follow Excalidraw on Twitter" src="https://img.shields.io/twitter/follow/excalidraw.svg?label=follow+@excalidraw&style=social&logo=twitter"/>
+  </a>
+</p>
+
+<div align="center">
+  <figure>
+    <a href="https://excalidraw.com" target="_blank" rel="noopener">
+      <img src="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github%2Fproduct_showcase.png" alt="Product showcase" />
     </a>
-  </p>
+    <figcaption>
+      <p align="center">
+        Create beautiful hand-drawn like diagrams, wireframes, or whatever you like.
+      </p>
+    </figcaption>
+  </figure>
 </div>
 
-## Try now
+## Features
 
-Visit [excalidraw.com](https://excalidraw.com) to start sketching.
+The Excalidraw editor (npm package) supports:
 
-## Community
+- 💯&nbsp;Free & open-source.
+- 🎨&nbsp;Infinite, canvas-based whiteboard.
+- ✍️&nbsp;Hand-drawn like style.
+- 🌓&nbsp;Dark mode.
+- 🏗️&nbsp;Customizable.
+- 📷&nbsp;Image support.
+- 😀&nbsp;Shape libraries support.
+- 👅&nbsp;Localization (i18n) support.
+- 🖼️&nbsp;Export to PNG, SVG & clipboard.
+- 💾&nbsp;Open format - export drawings as an `.excalidraw` json file.
+- ⚒️&nbsp;Wide range of tools - rectangle, circle, diamond, arrow, line, free-draw, eraser...
+- ➡️&nbsp;Arrow-binding & labeled arrows.
+- 🔙&nbsp;Undo / Redo.
+- 🔍&nbsp;Zoom and panning support.
 
-For latest updates, follow us on [twitter](https://twitter.com/excalidraw). If you need help or want to chat, join us on [Discord](https://discord.gg/UexuTaE). For releases and deep dives, check out our [blog](https://blog.excalidraw.com). Report bugs on [GitHub](https://github.com/excalidraw/excalidraw/issues).
+## Excalidraw.com
 
-## Supporting Excalidraw
+The app hosted at [excalidraw.com](https://excalidraw.com) is a minimal showcase of what you can build with Excalidraw. Its [source code](https://github.com/excalidraw/excalidraw/tree/maielo/new-readme/src/excalidraw-app) is part of this repository as well, and the app features:
 
-If you like the project, you can become a sponsor at [Open Collective](https://opencollective.com/excalidraw).
+- 📡&nbsp;PWA support (works offline).
+- 🤼&nbsp;Real-time collaboration.
+- 🔒&nbsp;End-to-end encryption.
+- 💾&nbsp;Local-first support (autosaves to the browser).
+- 🔗&nbsp;Shareable links (export to a readonly link you can share with others).
 
-[<img src="https://opencollective.com/excalidraw/tiers/sponsors/0/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/0/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/1/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/1/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/2/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/2/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/3/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/3/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/4/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/4/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/5/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/5/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/6/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/6/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/7/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/7/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/8/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/8/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/9/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/9/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/10/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/10/website)
+We'll be adding these features as drop-in plugins for the npm package in the future.
 
-<a href="https://opencollective.com/excalidraw#category-CONTRIBUTE" target="_blank"><img src="https://opencollective.com/excalidraw/tiers/backers.svg?avatarHeight=32"/></a>
+## Quick start
 
-Last but not least, we're thankful to these companies for offering their services for free:
+Install the [Excalidraw npm package](https://www.npmjs.com/package/@excalidraw/excalidraw):
 
-[![Vercel](./.github/assets/vercel.svg)](https://vercel.com) [![Sentry](./.github/assets/sentry.svg)](https://sentry.io) [![Crowdin](./.github/assets/crowdin.svg)](https://crowdin.com)
+```
+npm install react react-dom @excalidraw/excalidraw
+```
+
+or via yarn
 
-## Developers
+```
+yarn add react react-dom @excalidraw/excalidraw
+```
 
-You can integrate Excalidraw into your app by installing our [npm component](https://npmjs.com/package/@excalidraw/excalidraw).
+Don't forget to check out our [Documentation](https://docs.excalidraw.com)!
 
-Visit our documentation on [https://docs.excalidraw.com](https://docs.excalidraw.com).
+## Contributing
+
+- Missing something or found a bug? [Report here](https://github.com/excalidraw/excalidraw/issues).
+- Want to contribute? Check out our [contribution guide](https://docs.excalidraw.com/docs/introduction/contributing) or let us know on [Discord](https://discord.gg/UexuTaE).
+- Want to help with translations? See the [translation guide](https://docs.excalidraw.com/docs/introduction/contributing#translating).
+
+## Integrations
+
+- [VScode extension](https://marketplace.visualstudio.com/items?itemName=pomdtr.excalidraw-editor)
+- [npm package](https://www.npmjs.com/package/@excalidraw/excalidraw)
 
 ## Who's integrating Excalidraw
 
-[Google Cloud](https://googlecloudcheatsheet.withgoogle.com/architecture) • [Meta](https://meta.com/) • [CodeSandbox](https://codesandbox.io/) • [Obsidian Excalidraw](https://github.com/zsviczian/obsidian-excalidraw-plugin) • [Replit](https://replit.com/) • [Slite](https://slite.com/) • [Notion](https://notion.so/) • [HackerRank](https://www.hackerrank.com/)
+[Google Cloud](https://googlecloudcheatsheet.withgoogle.com/architecture) • [Meta](https://meta.com/) • [CodeSandbox](https://codesandbox.io/) • [Obsidian Excalidraw](https://github.com/zsviczian/obsidian-excalidraw-plugin) • [Replit](https://replit.com/) • [Slite](https://slite.com/) • [Notion](https://notion.so/) • [HackerRank](https://www.hackerrank.com/) • and many others
+
+## Sponsors & support
+
+If you like the project, you can become a sponsor at [Open Collective](https://opencollective.com/excalidraw) or use [Excalidraw+](https://plus.excalidraw.com/).
+
+## Thank you for supporting Excalidraw
+
+[<img src="https://opencollective.com/excalidraw/tiers/sponsors/0/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/0/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/1/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/1/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/2/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/2/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/3/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/3/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/4/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/4/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/5/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/5/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/6/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/6/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/7/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/7/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/8/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/8/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/9/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/9/website) [<img src="https://opencollective.com/excalidraw/tiers/sponsors/10/avatar.svg?avatarHeight=120"/>](https://opencollective.com/excalidraw/tiers/sponsors/10/website)
+
+<a href="https://opencollective.com/excalidraw#category-CONTRIBUTE" target="_blank"><img src="https://opencollective.com/excalidraw/tiers/backers.svg?avatarHeight=32"/></a>
+
+Last but not least, we're thankful to these companies for offering their services for free:
+
+[![Vercel](./.github/assets/vercel.svg)](https://vercel.com) [![Sentry](./.github/assets/sentry.svg)](https://sentry.io) [![Crowdin](./.github/assets/crowdin.svg)](https://crowdin.com)