Improved build system

Added new entries to .gitignore
Moved away from source directory as central spot for all source code

kernel/time.h

@@ -0,0 +1,23 @@
+#pragma once 
+#include "drivers/io/io.h"
+#define CURRENT_YEAR        2021
+ 
+                           
+extern int century_register;     
+extern unsigned char second;
+extern unsigned char minute;
+extern unsigned char hour;
+extern unsigned char day;
+extern unsigned char month;
+extern unsigned int year;
+
+ 
+enum {
+      cmos_address = 0x70,
+      cmos_data    = 0x71
+};
+ 
+int get_update_in_progress_flag();
+unsigned char get_RTC_register();
+void read_rtc();
+void delay(int t);