Examine source code of Chess Risk Score

{
  "manifest_version": 3,
  "name": "Chess Risk Score",
  "version": "1.1.0",
  "description": "Opponent risk overlay for Chess.com & Lichess. Win rates, accuracy analysis, account age — all from public data.",
  "browser_specific_settings": {
    "gecko": {
      "id": "chessriskscore@bttw.media",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.chess.com/*",
    "https://chess.com/*",
    "https://api.chess.com/*",
    "https://lichess.org/*",
    "https://www.lichess.org/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.chess.com/*",
        "https://chess.com/*",
        "https://lichess.org/*",
        "https://www.lichess.org/*"
      ],
      "js": [
        "src/config.js",
        "src/api.js",
        "src/lichessApi.js",
        "src/riskCalculator.js",
        "src/insights.js",
        "src/overlay.js",
        "src/detector.js",
        "src/lichessDetector.js",
        "src/content.js"
      ],
      "css": [
        "src/overlay.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Chess Risk Score"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  }
}