Examine source code of Chess.com Tweaks

{
  "manifest_version": 3,
  "name": "Chess.com Tweaks",
  "version": "2.0.9",
  "homepage_url": "https://github.com/vietan0/hide-ratings",
  "description": "Chess.com Tweaks is a browser extension that enhances your chess experience with a cleaner interface and additional analysis tools.",
  "icons": {
    "128": "icons/chesslogo.png"
  },
  "permissions": [
    "alarms",
    "cookies",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://www.chess.com/*",
    "https://explorer.lichess.org/*",
    "https://lichess.org/*"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "action": {
    "default_icon": "icons/chesslogo.png",
    "default_title": "Chess.com Tweaks",
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.chess.com/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://lichess.org/paste"
      ],
      "js": [
        "js/lichessContent.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*",
        "images/*",
        "js/mainWorldScript.js"
      ],
      "matches": [
        "https://www.chess.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b8ac3f83-6217-4483-a9a5-1c4e2908be4f}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}