Rename tutorial mod to nugget mod and update related configurations

src/main/java/xyz/sillyangel/nugget/item/ModItems.java

@@ -0,0 +1,23 @@
+package xyz.sillyangel.nuggetmod.item;
+
+import xyz.sillyangel.nuggetmod.NuggetMod;
+import net.minecraft.world.item.Item;
+import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.registries.DeferredRegister;
+import net.minecraftforge.registries.ForgeRegistries;
+import net.minecraftforge.registries.RegistryObject;
+
+public class ModItems {
+    public static final DeferredRegister<Item> ITEMS =
+            DeferredRegister.create(ForgeRegistries.ITEMS, NuggetMod.MOD_ID);
+
+    public static final RegistryObject<Item> NUGGET = ITEMS.register("nugget",
+            () -> new Item(new Item.Properties()));
+
+
+
+    public static void register(IEventBus eventBus) {
+        ITEMS.register(eventBus);
+    }
+
+}