Examine source code of SteamFace Stats

{
  "manifest_version": 2,
  "name": "SteamFace Stats",
  "version": "1.2.0",
  "description": "Steam profillerinde FACEIT ve CS2 Premier istatistiklerini gosterir.",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "activeTab",
    "https://open.faceit.com/*",
    "https://csstats.gg/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://steamcommunity.com/profiles/*",
        "*://steamcommunity.com/id/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "steamfacestats@extension",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}