chore: updated build structure

package.json

@@ -10,6 +10,7 @@
     "jshint": "jshint . --exclude node_modules,dist,build,bin,demo",
     "test": "npm run lint && grunt test",
     "tslint": "tslint --type-check --project tsconfig.json \"src/**/*.ts\" \"test/**/*.ts\"",
+    "typedoc": "typedoc --out ./build/docs --name OpenSheetMusicDisplay --module commonjs --target ES5 --mode file ./src/**/*.ts",
     "postinstall": "rimraf typings",
     "prepublish": "grunt build:dist"
   },
@@ -23,12 +24,10 @@
     "README.md",
     "karma.conf.js",
     "src",
-    "test",
     "external",
     "demo",
-    "tsconfig",
+    "tsconfig.json",
     "tslint.json",
-    "typings.json",
     "Gruntfile.js"
   ],
   "repository": {