Examine source code of Bookmark Searcher

{
  "manifest_version": 2,
  "name": "Bookmark Searcher",
  "version": "1.0",
  "description": "Search all of your bookmarks by content inside it instead of only by title and url",
  "homepage_url": "https://github.com/johnsmith2077",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "johnsmith2077@foxmail.com"
    }
  },
  "permissions": [
    "activeTab",
    "bookmarks",
    "<all_urls>",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/icon-32.png",
    "default_title": "Bookmark Searcher",
    "default_popup": "popup/bookmark.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.google.com/search*"
      ],
      "js": [
        "thirdParty/jquery-3.5.1.min.js",
        "thirdParty/arrive.min.js",
        "/contentScript/google_search.js"
      ],
      "run_at": "document_end"
    }
  ]
}