begin adding d_com_inf_game, add include guards to headers

src/d/d_com/d_com_inf_game.cpp

@@ -1 +1,5 @@
-// ok
+#include "d/d_com/d_com_inf_game/d_com_inf_game.h"
+
+void dComIfG_play_c:ct(void) {
+    
+}