feat: Implement Room Streaming System

- Add RoomStreamingManager to manage room loading and unloading based on player proximity.
- Create StreamingBudgetConfigSO for memory and performance budgeting of the streaming system.
- Introduce TransitionDirector to handle seamless and atmospheric fade transitions between rooms.
- Develop WorldGraph to represent room connectivity and facilitate neighbor queries and distance calculations.
- Implement RoomNode and RoomEdge classes to structure room data and connections.

Assets/_Game/Scripts/Editor/BaseGames.Editor.asmdef

@@ -30,6 +30,7 @@
         "BaseGames.Parry",
         "BaseGames.Skills",
         "BaseGames.World.Map",
+        "BaseGames.World.Streaming",
         "BaseGames.EventChain",
         "BaseGames.VFX",
         "Unity.InputSystem"