Examine source code of Bookmark Cleaner

{
  "manifest_version": 3,
  "name": "Bookmark Cleaner",
  "short_name": "Bookmark Cleaner",
  "version": "0.0.1",
  "description": "Clean, analyze, and organize bookmarks safely with a modern dashboard.",
  "author": "Ashish Dungdung",
  "homepage_url": "https://ashishdungdung.com",
  "action": {
    "default_popup": "index.html",
    "default_title": "Bookmark Cleaner"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "downloads"
  ],
  "host_permissions": [
    "https://docs.google.com/*",
    "https://docs.googleusercontent.com/*",
    "https://*.googleusercontent.com/*",
    "https://*.sharepoint.com/*",
    "https://*.1drv.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' https://docs.google.com https://docs.googleusercontent.com https://*.googleusercontent.com https://*.sharepoint.com https://*.1drv.com"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark-cleaner@ashishdungdung.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}