Examine source code of Free Games Steam Scanner

{
  "manifest_version": 3,
  "name": "Free Games Steam Scanner",
  "version": "1.0.0",
  "description": "Scans Steam for 100% discounted free-to-keep games and extracts their license IDs.",
  "permissions": [
    "tabs",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://store.steampowered.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "free-games-steam-scanner-firefox@local.dev",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}