Examine source code of Gamebanana Previewer

{
  "manifest_version": 3,
  "name": "Gamebanana Previewer",
  "description": "Preview your new submission's assets before release",
  "version": "1.2",
  "permissions": [
    "activeTab",
    "storage",
    "data_collection_permissions"
  ],
  "icons": {
    "128": "assets/img/icon.png"
  },
  "action": {},
  "background": {
    "scripts": [
      "assets/js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.gamebanana.com/*"
      ],
      "js": [
        "assets/js/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@gamebanana-previewer",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}