Examine source code of Translate Now

{
  "name": "Translate Now",
  "description": "Right click a selection, page or link to translate words.",
  "homepage_url": "https://github.com/Smile4ever/Translate-Now",
  "manifest_version": 3,
  "version": "5.0.4",
  "background": {
    "scripts": [
      "background.js",
      "utils/google-translate.js"
    ]
  },
  "icons": {
    "64": "icons/translatenow-64.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "translatenow.js",
        "utils/google-translate.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "contextMenus",
    "notifications"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "action": {
    "default_icon": "icons/translatenow-64.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@translatenow",
      "strict_min_version": "109.0"
    },
    "gecko_android": {
      "id": "@translatenow",
      "strict_min_version": "121.0"
    }
  }
}