Examine source code of Mobile Inspector

{
  "manifest_version" : 2 ,
  "name" : "Mobile Inspector",
  "short_name" : "Inspector",
  "version" : "1.1.1",
  "description" : "__MSG_extDescription__" ,
  "default_locale" : "pt_BR" ,
  "browser_specific_settings": {
    "gecko": {
      "id": "mobile-inspector@luizsilva.dev",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "128.0"
    }
  },
  "permissions" : [
    "tabs" ,
    "storage" ,
    "cookies" ,
    "webRequest" ,
    "webRequestBlocking" ,
    "<all_urls>" 
  ],
  "background" : {
    "persistent" : false ,
    "scripts" : [
      "background/background.js" 
    ]
  },
  "browser_action" : {
    "default_title" : "Mobile Inspector",
    "default_popup" : "popup/panel.html",
    "default_icon" : {
      "48" : "icons/icon-48.png",
      "96" : "icons/icon-96.png"
    }
  },
  "web_accessible_resources" : [
    "page/page-bridge.js",
    "vendor/eruda.js"
  ],
  "icons" : {
    "48" : "icons/icon-48.png",
    "96" : "icons/icon-96.png"
  }
}