Examine source code of Personalized Desk

{
  "manifest_version": 2,
  "name": "Personalized Desk",
  "author": "Pranjal Srivastava",
  "version": "1.0.2",
  "description": "A Browser extension for a beautifully simple start page",
  "icons": {
    "16": "/favicon-16x16.png",
    "32": "/favicon-32x32.png",
    "60": "/favicon-60x60.png",
    "72": "/favicon-72x72.png",
    "96": "/favicon-96x96.png"
  },
  "permissions": [
    "storage"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{50a311f4-79f2-4f34-be81-5e7c99968281}"
    }
  }
}