Examine source code of Proxy Switcher

{
  "manifest_version" : 3 ,
  "name" : "Proxy Switcher",
  "version" : "1.0.0",
  "description" : "Quickly switch between saved proxy profiles for privacy and testing.",
  "icons" : {
    "48" : "icons/icon-48.png",
    "96" : "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "proxy-switcher-071@mozillamaker.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions" : [
    "proxy" ,
    "storage" 
  ],
  "host_permissions" : [],
  "background" : {
    "scripts" : [
      "background.js" 
    ],
    "type" : "module" 
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_icon" : {
      "48" : "icons/icon-48.png",
      "96" : "icons/icon-96.png"
    },
    "default_title" : "Proxy Switcher"
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": false
  }
}