Examine source code of Unclutter New Tab

{
  "name": "Unclutter Tab",
  "version": "0.7.1",
  "description": "Access your Unclutter reading queue from your new tab page.",
  "homepage_url": "https://github.com/lindylearn/unclutter",
  "icons": {
    "128": "assets/icon.png"
  },
  "permissions": [
    "storage",
    "search"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{bb10288b-838a-4429-be0a-5268ee1560b8}",
      "strict_min_version": "102.0"
    }
  },
  "background": {
    "page": "background/firefox-page.html"
  },
  "web_accessible_resources": [
    "new-tab/index.*",
    "new-tab/tailwind.css.js",
    "assets/firefox-search-google.ico",
    "assets/**"
  ],
  "chrome_url_overrides": {
    "newtab": "new-tab/index-firefox.html"
  }
}