Update some LinkageUtils problems

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/linkage/LinkageUtils.java

@@ -20,6 +20,8 @@
 package de.steamwar.bausystem.linkage;
 
 import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.utils.FlatteningWrapper;
+import de.steamwar.bausystem.utils.NMSWrapper;
 import lombok.experimental.UtilityClass;
 import org.bukkit.Bukkit;
 
@@ -39,6 +41,12 @@ public class LinkageUtils {
     private Map<Class<?>, Object> objectMap = new HashMap<>();
     private Set<Field> fieldsToLink = new HashSet<>();
 
+    {
+        objectMap.put(BauSystem.class, BauSystem.getInstance());
+        objectMap.put(FlatteningWrapper.IFlatteningWrapper.class, FlatteningWrapper.impl);
+        objectMap.put(NMSWrapper.INMSWrapper.class, NMSWrapper.impl);
+    }
+
     public void link() {
         internalLinkOrUnlink(false, Linked.class);
         internalLinkFields();