Examine source code of G-Attendance

{
  "manifest_version": 3,
  "name": "__MSG_manifestName__",
  "default_locale": "en",
  "version": "1.3",
  "description": "__MSG_manifestDescription__",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://meet.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "dashboard.html",
        "dashboard.js",
        "dashboard.css"
      ],
      "matches": [
        "https://meet.google.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "gmeet-attendance@example.com",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteContent"
        ],
        "optional": []
      }
    }
  }
}