Implemented basic example response

proxyapplication.h

@@ -12,4 +12,6 @@ public:
     ProxyApplication(const QJsonObject &config, QObject *parent = Q_NULLPTR);
 
     void start() Q_DECL_OVERRIDE;
+
+    void handleRequest(HttpClientConnection *connection, const HttpRequest &request) Q_DECL_OVERRIDE;
 };