output: add todos for later

src/playerinterface.cpp

@@ -22,6 +22,8 @@ bool PlayerOutput::IsOpen(void) {
     return isWindowAlive;
 }
 
+// TODO: Add board size limits
+//       Add gaps and a border that accommodate the limits
 PlayerOutput::PlayerOutput(void) {
     float kWidth = 1025;
     float kHeight = 725;