Examine source code of Improved AulaGlobal

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.0.0",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "icons": {
    "128": "icons/icon128.png",
    "512": "icons/icon512.png"
  },
  "action": {
    "default_icon": {
      "128": "icons/icon128.png",
      "512": "icons/icon512.png"
    },
    "default_popup": "popup.html",
    "default_title": "__MSG_extensionName__"
  },
  "content_scripts": [
    {
      "matches": [
        "https://aulaglobal.uc3m.es/*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "aulaglobal-improved@astrak00.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}