Examine source code of CS2 ban checker

{
  "name": "CS2 ban checker",
  "description": "Check ban status of players you encountered in CS2 matchmaking.",
  "version": "3.0.10",
  "permissions": [
    "unlimitedStorage",
    "storage",
    "contextMenus",
    "https://steamcommunity.com/*",
    "https://api.steampowered.com/*"
  ],
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "background": {
    "scripts": [
      "service_worker.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "index.js",
        "main.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_end",
      "matches": [
        "https://steamcommunity.com/id/*",
        "https://steamcommunity.com/profiles/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{77ad710c-4e82-db44-a0c8-a047fc834d60}"
    }
  },
  "manifest_version": 2
}