updated folder scanning code

src/client_backend/virus_ctrl.h

@@ -0,0 +1,8 @@
+#pragma once
+#ifndef VIRUS_CTRL_H
+#define VIRUS_CTRL_H
+#include <stdio.h>
+#include <iostream>
+int virus_ctrl_store(const char*, const char*,const char* id);
+int virus_ctrl_process(const char* id);
+#endif