Examine source code of Free VPN HideMy

{
  "name": "HideMy",
  "short_name": "HideMy",
  "description": "Unblock the sites with HideMy",
  "icons": {
    "16": "assets/icon-16.png",
    "48": "assets/icon-48.png",
    "128": "assets/icon-16.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "alarms",
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "manifest_version": 2,
  "version": "0.0.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "hide@my",
      "strict_min_version": "91.1.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "background": {
    "scripts": [
      "./background.js"
    ]
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval' 'wasm-unsafe-eval'; object-src 'self'; connect-src 'self' https://2.26.7.38;",
  "web_accessible_resources": [
    "index.html",
    "*.js",
    "*.css"
  ]
}