Examine source code of FB Invite Assistant

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "2.0.27",
  "default_locale": "en",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "host_permissions": [
    "https://inviteassistant.com/*"
  ],
  "background": {
    "scripts": [
      "config.js",
      "background.js"
    ]
  },
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.facebook.com/*",
        "https://web.facebook.com/*",
        "https://m.facebook.com/*"
      ],
      "js": [
        "logic.js",
        "locale-data.js",
        "i18n.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "_locales/*/messages.json"
      ],
      "matches": [
        "https://www.facebook.com/*",
        "https://web.facebook.com/*",
        "https://m.facebook.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "fb-invite-assistant@inviteassistant.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteActivity"
        ],
        "optional": []
      }
    }
  }
}