add FSM3.0 src code not impl yet, add header guards and format main

lib/httpserver/httpserver.h

@@ -1,7 +1,7 @@
+#ifndef __HTTPSERVER_H
+#define __HTTPSERVER_H
 // Wrapper for ESP8266WebServer with Filesystem as HTTP source
 
-#pragma once
-
 #include <ESP8266WebServer.h>
 #include <stdarg.h>
 #include "filesys.h"
@@ -42,3 +42,5 @@ public:
     void logf(const char *format, ...);
     void logt(const char *format, ...);
 };
+
+#endif // __HTTPSERVER_H

lib/treppe/treppe.h

@@ -1,4 +1,5 @@
-#pragma once
+#ifndef __TREPPE_H
+#define __TREPPE_H
 
 #include "FSMTreppe2/FSMTreppe2.h"
 #include "PCA9685.h"
@@ -87,4 +88,6 @@ public:
     void activate_idle_pwm(bool active);
     void set_active_pwm(uint16_t _active_pwm);
     void set_time_per_stair(uint16_t _time_per_stair);
-};
+};
+
+#endif // __TREPPE_H