添加 CombatNodeComponent 及相关类

- CombatNodeComponent：节点组件，负责提取并开始关卡
- CombatScheduler：关卡调度器，负责关卡的生命周期调度
- MapEntity：地图实体，提供地图相关的数据
- Spawner：出生点，负责标记地图上的敌人出生点坐标
- House：基地，负责标记地图上的敌人目标点坐标

Assets/GameMain/Scenes/Main.unity

@@ -321,7 +321,7 @@ Camera:
   m_Enabled: 1
   serializedVersion: 2
   m_ClearFlags: 1
-  m_BackGroundColor: {r: 0.19215687, g: 0.3019608, b: 0.4745098, a: 0}
+  m_BackGroundColor: {r: 0, g: 0, b: 0, a: 1}
   m_projectionMatrixMode: 1
   m_GateFitMode: 2
   m_FOVAxisMode: 0
@@ -343,10 +343,10 @@ Camera:
     width: 1
     height: 1
   near clip plane: 0.3
-  far clip plane: 1000
+  far clip plane: 50
   field of view: 60
-  orthographic: 0
-  orthographic size: 5
+  orthographic: 1
+  orthographic size: 7.5
   m_Depth: -1
   m_CullingMask:
     serializedVersion: 2

Assets/GameMain/Scenes/Menu.unity

@@ -343,10 +343,10 @@ Camera:
     width: 1
     height: 1
   near clip plane: 0.3
-  far clip plane: 1000
+  far clip plane: 50
   field of view: 60
-  orthographic: 0
-  orthographic size: 5
+  orthographic: 1
+  orthographic size: 7.5
   m_Depth: -1
   m_CullingMask:
     serializedVersion: 2
@@ -371,7 +371,7 @@ Transform:
   m_GameObject: {fileID: 961739749}
   serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: 1, z: -10}
+  m_LocalPosition: {x: 0, y: 0, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []