add log file functionality

include/LLog.h

@@ -3,6 +3,7 @@
 
 #include "time.h"
 #include <stdarg.h>
+#include <stdio.h>
 
 #define max_string_len 1024
 
@@ -42,10 +43,14 @@ typedef struct {
 int lLogString_array_append(lLogString_array* array, lLogString* string);
 
 typedef struct {
-    lLogString logfolder;
+    FILE* log_file;
     timer_array timers;
+    int historyEnabled;
+    int logFileEnabled;
     lLogString_array history;
+
 } Logger;
+Logger* Logger_new(lLogString* logfolder, int history_enabled);
 
 int create_timer(Logger* logger);
 void start_timer(Logger* logger, int timer_id);