added RespawnManager to Game

Barotrauma/BarotraumaShared/Lua/DefaultRegister/RegisterShared.lua

@@ -42,6 +42,7 @@ RegisterBarotrauma("LevelTrigger")
 RegisterBarotrauma("DestructibleLevelWall")
 RegisterBarotrauma("Biome")
 RegisterBarotrauma("Map")
+RegisterBarotrauma("Networking.RespawnManager")
 
 RegisterBarotrauma("Character")
 RegisterBarotrauma("CharacterPrefab")

Barotrauma/BarotraumaShared/SharedSource/LuaCs/Lua/LuaClasses/LuaGame.cs

@@ -104,6 +104,18 @@ namespace Barotrauma
 #endif
             }
         }
+        
+        public RespawnManager RespawnManager
+        {
+            get
+            {
+#if SERVER
+                return GameMain.Server.RespawnManager;
+#else
+                return GameMain.Client.RespawnManager;
+#endif
+            }
+        }
 
         public DynValue Settings;