Examine source code of Darts Market Pin

{
  "manifest_version": 3,
  "name": "Darts Market Pin",
  "version": "1.1.2",
  "description": "Locally reorders selected darts and Australian Rules markets on supported Bet365 market pages.",
  "browser_specific_settings": {
    "gecko": {
      "id": "darts-market-pinner@example.invalid",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.bet365.com/*",
    "*://bet365.com/*",
    "*://*.bet365.ee/*",
    "*://bet365.ee/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.bet365.com/*",
        "*://bet365.com/*",
        "*://*.bet365.ee/*",
        "*://bet365.ee/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "Darts Market Pin",
    "default_popup": "popup.html"
  }
}