(client) feat:实现摄像机跟踪与移动，实现任意位置生成实体，实现更安全的资源加载方式（指定unity内部加载资源） (#42)

Co-authored-by: zzdxxz <2079238449@qq.com>
Co-committed-by: zzdxxz <2079238449@qq.com>

Client/Assets/Resources/Default/DefaultEntity.prefab

@@ -124,12 +124,20 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 887327274103887133, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
       propertyPath: m_Name
-      value: DefaultEntity Variant
+      value: DefaultEntity
       objectReference: {fileID: 0}
     - target: {fileID: 887327274103887133, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
       propertyPath: m_IsActive
       value: 1
       objectReference: {fileID: 0}
+    - target: {fileID: 3992139212329961548, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+      propertyPath: m_Enabled
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 7300440714681954677, guid: 6cd8b01a0f57372438dc30c864ae1530, type: 3}
+      propertyPath: affiliation
+      value: Default
+      objectReference: {fileID: 0}
     m_RemovedComponents: []
     m_RemovedGameObjects: []
     m_AddedGameObjects: