Finish Mossdeep Gym doc, beging documenting rotating tile puzzle

include/rotating_tile_puzzle.h

@@ -0,0 +1,9 @@
+#ifndef GUARD_ROTATING_TILE_PUZZLE_H
+#define GUARD_ROTATING_TILE_PUZZLE_H
+
+void InitRotatingTilePuzzle(bool8 isTrickHouse);
+void FinishMossdeepGymTiles(void);
+u16 MossdeepGym_MoveEvents(u8 puzzleNumber);
+void MossdeepGym_TurnEvents(void);
+
+#endif // GUARD_ROTATING_TILE_PUZZLE_H