(client) feat:右键菜单全局与UI分离，Building生成支持，双层地图重写

Client/Assets/Scripts/Base/RightMenu.cs

@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using Prefab;
+using UnityEngine;
+using UnityEngine.Events;
+
+namespace Base
+{
+    public class RightMenu : Utils.MonoSingleton<RightMenu>
+    {
+        public RightMenuPrefab rightMenuPrefab;
+
+        public void Show()
+        {
+            rightMenuPrefab.Show();
+        }
+
+        public void Hide()
+        {
+            rightMenuPrefab.Hide();
+        }
+        public void Init(List<(string name, UnityAction callback)> buttons)
+        {
+            rightMenuPrefab.Init(buttons);
+        }
+        protected override void OnStart()
+        {
+            Hide();
+        }
+    }
+
+}