Examine source code of ProxyWing Proxy Manager

{
  "manifest_version": 3,
  "name": "ProxyWing Proxy Manager",
  "version": "1.0.0",
  "description": "Simple proxy manager for Firefox",
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "privacy"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "ProxyWing Proxy Manager",
    "default_icon": {
      "16": "proxywingExtensionLogo.png",
      "32": "proxywingExtensionLogo.png"
    }
  },
  "icons": {
    "16": "proxywingExtensionLogo.png",
    "32": "proxywingExtensionLogo.png",
    "48": "proxywingExtensionLogo.png",
    "96": "proxywingExtensionLogo.png",
    "128": "proxywingExtensionLogo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3f1a845-7e2b-4c09-b5a1-6f8e9d0c2b7a}",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ],
        "optional": []
      }
    }
  }
}