intermediate: restructure wifi,log

lib/log/GWLog.cpp

@@ -0,0 +1,14 @@
+#include "GwLog.h"
+
+GwLog::GwLog(bool logSerial){
+    this->logSerial=logSerial;
+}
+void GwLog::logString(const char *fmt,...){
+    va_list args;
+    va_start(args,fmt);
+    vsnprintf(buffer,99,fmt,args);
+    if (logSerial){
+        Serial.print("LOG: ");
+        Serial.println(buffer);
+    }
+}

lib/log/GwLog.h

@@ -0,0 +1,12 @@
+#ifndef _GWLOG_H
+#define _GWLOG_H
+#include <Arduino.h>
+class GwLog{
+    private:
+        char buffer[100];
+        bool logSerial=false;
+    public:
+        GwLog(bool logSerial);
+        void logString(const char *fmt,...);
+};
+#endif