浮标点和相机停靠点外置，用resources加载图片，删除脚本文件夹分类

Assets/Scripts/SkipUnitySplash.cs

@@ -0,0 +1,14 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Rendering;
+
+public class SkipUnitySplash : MonoBehaviour
+{
+    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSplashScreen)]
+    static void OnBeforeSplash()
+    {
+        // 打包后运行时，直接停掉启动画面
+        SplashScreen.Stop(SplashScreen.StopBehavior.StopImmediate);
+    }
+}