added gamenum handwired keyboard

keyboards/gamenum/gamenum.c

@@ -0,0 +1,14 @@
+#include "gamenum.h"
+
+void matrix_init_kb(void) {
+	// put your keyboard start-up code here
+	// runs once when the firmware starts up
+	DDRC |= (1<<6);
+	PORTC &= ~(1<<6);
+	
+	DDRD |= (1<<4);
+	PORTD &= ~(1<<4);
+	
+	matrix_init_user();
+	
+}