add initial labs

labs/lab_w5/main.c

@@ -0,0 +1,12 @@
+#define __MSP432P401R__
+
+#include "msp.h"
+#include "Clock.h"
+
+void main(void) {
+    Clock_Init48MHz();
+    
+    WDT_A->CTL = WDT_A_CTL_PW | WDT_A_CTL_HOLD;// stop watchdog timer
+    
+    Clock_Delay1ms(100);
+}