Examine source code of ChessEloShield

{
  "manifest_version": 2,
  "name": "ChessEloShield",
  "version": "1.0.6",
  "description": "Stops ELO-draining tilt on chess.com by freezing start-game actions after a loss, with a cooldown timer (customizable). Also allows hiding chat and info in-game.",
  "permissions": [
    "storage",
    "tabs",
    "alarms",
    "webNavigation",
    "https://www.chess.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.chess.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "cooldown.css"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_title": "ChessEloShield",
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/PawnShield32.png",
      "48": "icons/PawnShield48.png",
      "96": "icons/PawnShield96.png"
    }
  },
  "icons": {
    "32": "./icons/PawnShield32.png",
    "48": "./icons/PawnShield48.png",
    "96": "./icons/PawnShield96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chesseoloshield@example.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}