Examine source code of Return Chalmers Logo

{
  "manifest_version": 3,
  "name": "Return Chalmers Logo",
  "version": "0.2",
  "description": "Returns the old Chalmers logo and replaces the new one.",
  "icons": {
    "128": "icons/chalmers_logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "returnchalmerslogo@extension",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.chalmers.se/*"
      ],
      "js": [
        "returnchalmers.js"
      ]
    }
  ]
}