Examine source code of ArtemDevRu-DeveloperTools

{
  "manifest_version": 3,
  "name": "ArtemDevRu-DeveloperTools",
  "version": "1.1.2",
  "description": "Расширение для помощи разработчикам, отвечать на заявки фриланса",
  "icons": {
    "48": "icons/icon.png"
  },
  "permissions": [
    "webRequest",
    "storage",
    "declarativeNetRequestWithHostAccess",
    "activeTab",
    "tags",
    "clipboardWrite"
  ],
  "optional_host_permissions": [
    "*://*/"
  ],
  "optional_permissions": [
    "*://*/"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://freelance.ru/project/discussion/start/*"
      ],
      "js": [
        "js/main.js"
      ]
    }
  ],
  "action": {
    "default_popup": "html/popup.html"
  },
  "options_ui": {
    "page": "html/popup_setup.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "developer_tools@artemdevru"
    }
  }
}