Initial 1.19.3 Porting with new Creative Tab API

Fabric/src/main/java/me/hypherionmc/craterlib/client/CraterLibClientInitializer.java

@@ -1,11 +1,12 @@
 package me.hypherionmc.craterlib.client;
 
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.itemgroup.v1.ItemGroupEvents;
 
 public class CraterLibClientInitializer implements ClientModInitializer {
 
     @Override
     public void onInitializeClient() {
-
+        ItemGroupEvents.MODIFY_ENTRIES_ALL.register(FabricClientHelper::registerCreativeItems);
     }
 }