Examine source code of Tools for Autodarts

{
  "manifest_version": 2,
  "name": "Tools for Autodarts",
  "description": "Tools for Autodarts enhances the gaming experience on autodarts.io",
  "version": "2.2.8",
  "icons": {
    "16": "icon/16.png",
    "24": "icon/24.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "*://play.autodarts.io/*",
    "*://api.autodarts.io/*",
    "*://darts-downloads.peschi.org/*",
    "*://autodarts.x10.mx/*",
    "*://adt-socket.tobias-thiele.de/*",
    "*://discord.com/api/webhooks/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    "images/*",
    "websocket-capture.js",
    "auth-cookie.js",
    "content-scripts/boards.css",
    "content-scripts/content.css",
    "content-scripts/lobby.css",
    "content-scripts/match.css"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://play.autodarts.io/*"
      ],
      "js": [
        "content-scripts/boards.js",
        "content-scripts/content.js",
        "content-scripts/lobby.js",
        "content-scripts/lobbynew.js",
        "content-scripts/match.js"
      ]
    },
    {
      "matches": [
        "*://play.autodarts.io/*"
      ],
      "run_at": "document_start",
      "js": [
        "content-scripts/websocket-monitor.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4d96d300-1064-44b0-95f0-eb5b0b0230b4}"
    }
  }
}