Examine source code of 4Srt — URL Shortener

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@4srt.me",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://4srt.me/*",
    "https://www.4srt.me/*"
  ]
}