Examine source code of Proxy Profile Switcher

{
  "manifest_version": 3,
  "name": "Proxy Profile Switcher",
  "version": "0.2.1",
  "description": "Manage proxy settings directly from your browser toolbar",
  "browser_specific_settings": {
    "gecko": {
      "id": "@proxy-profile-swticher",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "proxy.js",
      "main.js"
    ],
    "service_worker": "main.js"
  },
  "permissions": [
    "proxy",
    "storage",
    "contextMenus"
  ],
  "action": {
    "default_icon": "icons/pps.png"
  },
  "icons": {
    "300": "icons/pps.png"
  }
}