Examine source code of CS2 Stats on Steam (Pulse)

{
  "manifest_version": 3,
  "name": "CS2 Stats on Steam (Pulse)",
  "version": "4.1.5",
  "description": "Pulse shows CS2 stats on any Steam profile: Leetify aim/KD/winrate, Faceit ELO, in-game Private Rank. Zero setup, liquid-glass UI.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://steamcommunity.com/*",
    "https://*.steamstatic.com/*",
    "https://steamuserimages-a.akamaihd.net/*",
    "https://api-public.cs-prod.leetify.com/*",
    "https://api.cs-prod.leetify.com/*",
    "https://ahake.pl/*"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://steamcommunity.com/id/*",
        "https://steamcommunity.com/profiles/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/logo_pulse.svg",
        "assets/badges/faceit/*.svg",
        "assets/badges/pro/*.svg",
        "assets/badges/supporter/*.svg",
        "assets/badges/discord/*.svg",
        "assets/badges/premier/*.png",
        "assets/data/proplayers.json"
      ],
      "matches": [
        "https://steamcommunity.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pulse@ahake.pl",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  }
}