Merge pull request 'added led functionality' (#2) from led into master

Reviewed-on: #2

led.h

@@ -0,0 +1,2 @@
+
+void toggleLED(char onOff);

main.c

@@ -3,6 +3,9 @@
 
 int main(void)
 {
+	char ledStatus = 1;
+
 	return 0;
 	printf("Hello, World!");
+	toggleLed(ledStatus); 
 }