Cleaned up memory arena debugger + tag.

WIP

Game/game.cpp

@@ -40,7 +40,7 @@ extern "C" JULIET_API void GameInit(GameInitParams* /*params*/)
         int   Score;
     };
 
-    auto* gameState      = ArenaPushType<GameState>(GetGameArena());
+    auto* gameState      = ArenaPushType<GameState>(GetGameArena(), ConstString("GameState"));
     gameState->TotalTime = 0.0f;
     gameState->Score     = 0;