Examine source code of Faceit-Extender

{
  "manifest_version": 3,
  "name": "Faceit-Extender",
  "version": "0.4.6",
  "description": "Enhance your FACEIT experience with smurf detection, extended level display, HLTV stats, player tracking, and more!",
  "background": {
    "scripts": [
      "src/pages/background/index.js"
    ]
  },
  "icons": {
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.faceit.com/*"
      ],
      "js": [
        "src/pages/content/index.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/js/*.js",
        "assets/css/*.css",
        "assets/png/*.png",
        "icon-128.png",
        "icon-34.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": {
      "128": "icon-128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "faceit-extender@faceit.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}