Examine source code of Lichess Wintrcat Analyzer

{
  "manifest_version": 2,
  "name": "Lichess PGN Copier",
  "version": "1.0",
  "permissions": [
    "activeTab",
    "https://lichess.org/*",
    "https://chess.wintrcat.uk/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "Copy PGN",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad3fbe76-f067-46be-84a6-0022591df0be}"
    }
  }
}