refactor: create prefab for Car and TreeA

chore: update scene structure

ProjectSettings/ProjectSettings.asset

@@ -154,7 +154,8 @@ PlayerSettings:
   resetResolutionOnWindowResize: 0
   androidSupportedAspectRatio: 1
   androidMaxAspectRatio: 2.1
-  applicationIdentifier: {}
+  applicationIdentifier:
+    Android: com.DefaultCompany.WuhuIsland
   buildNumber:
     Standalone: 0
     iPhone: 0
@@ -725,7 +726,7 @@ PlayerSettings:
   allowUnsafeCode: 0
   useDeterministicCompilation: 1
   enableRoslynAnalyzers: 1
-  selectedPlatform: 0
+  selectedPlatform: 2
   additionalIl2CppArgs: 
   scriptingRuntimeVersion: 1
   gcIncremental: 1

ProjectSettings/QualitySettings.asset

@@ -4,7 +4,7 @@
 QualitySettings:
   m_ObjectHideFlags: 0
   serializedVersion: 5
-  m_CurrentQuality: 2
+  m_CurrentQuality: 5
   m_QualitySettings:
   - serializedVersion: 2
     name: PC Low