Examine source code of Quick translatorrr

{
  "applications": {
    "gecko": {
      "strict_min_version": "82.0",
      "id": "{dad8a012-3b5f-4ceb-ae9d-8b17bf9d69c7}"
    }
  },
  "author": "Keisukes4n",
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "32": "/icons/quick-translator-icon-plain.svg",
    "128": "/icons/quick-translator-icon-plain.svg",
    "256": "/icons/quick-translator-icon-plain.svg"
  },
  "manifest_version": 2,
  "name": "Quick translator",
  "options_ui": {
    "browser_style": true,
    "open_in_tab": true,
    "page": "/documents/options/index.html"
  },
  "browser_action": {
    "default_icon": {
      "32": "/icons/quick-translator-icon-plain.svg",
      "128": "/icons/quick-translator-icon-plain.svg",
      "256": "/icons/quick-translator-icon-plain.svg"
    },
    "default_title": "__MSG_tooltipTitle__"
  },
  "permissions": [
    "menus",
    "storage",
    "tabs"
  ],
  "version": "2.2.50"
}