Added a basic MemoryArena.

Added one scratch, one engine and one game arena.
Converted the game alloc to arena + the display stuff.
WIP

Made using Antigravity+gemini

JulietApp/main.cpp

@@ -17,6 +17,8 @@
 
 #include <Core/Common/String.h>
 #include <Core/Memory/Utils.h>
+#include <Core/Memory/MemoryArena.h>
+#include <Core/Memory/EngineArena.h>
 #include <cstdlib>
 
 // TODO : Replace with message box from framework + call main and not winmain + subsystem
@@ -33,7 +35,7 @@ using namespace Juliet;
 
 namespace
 {
-    using GameInit_t     = void (*)(void);
+    using GameInit_t     = void (*)(GameInitParams*);
     using GameShutdown_t = void (*)(void);
     using GameUpdate_t   = void (*)(float deltaTime);
     struct GameFunctionTable
@@ -158,7 +160,10 @@ void JulietApplication::Init()
         InitHotReloadCode(GameCode, ConstString("Game.dll"), ConstString("Game_Temp.dll"), ConstString("lock.tmp"));
         if ((Running = GameCode.IsValid))
         {
-            Game.Init();
+            GameInitParams params;
+            params.GameArena    = GetGameArena();
+            params.ScratchArena = GetScratchArena();
+            Game.Init(&params);
         }
 
         // Initialize DebugDisplay
@@ -383,6 +388,9 @@ void JulietApplication::Update()
 
     // Submit Commands
     SubmitCommandLists(cmdList);
+
+    // Reset Scratch Arena at the end of the frame
+    ScratchArenaReset();
 }
 
 bool JulietApplication::IsRunning()