add various client init classes

Author: DerToaster98

src/main/java/de/dertoaster/kerkercraft/client/init/KCArmorModels.java

@@ -0,0 +1,4 @@
+package de.dertoaster.kerkercraft.client.init;
+
+public class KCArmorModels {
+}

src/main/java/de/dertoaster/kerkercraft/client/init/KCItemExtensions.java

@@ -0,0 +1,23 @@
+package de.dertoaster.kerkercraft.client.init;
+
+import de.dertoaster.kerkercraft.client.item.KCArmorModelExtension;
+import net.minecraft.client.model.Model;
+import net.minecraft.client.model.geom.ModelLayerLocation;
+import net.minecraft.client.model.geom.ModelPart;
+import net.minecraft.world.item.Item;
+import net.neoforged.neoforge.client.extensions.common.IClientItemExtensions;
+
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+public class KCItemExtensions {
+
+    public static void registerExtensions(BiConsumer<IClientItemExtensions, Item> consumer) {
+
+    }
+
+    private static void registerArmorModel(final Item armor, final ModelLayerLocation modelLayerLocation, final Function<ModelPart, Model> modelConstructor, BiConsumer<IClientItemExtensions, Item> consumer) {
+        consumer.accept(new KCArmorModelExtension(modelLayerLocation, modelConstructor), armor);
+    }
+
+}

src/main/java/de/dertoaster/kerkercraft/client/init/KCModelLayers.java

@@ -0,0 +1,7 @@
+package de.dertoaster.kerkercraft.client.init;
+
+import net.minecraft.client.model.geom.ModelLayerLocation;
+
+public class KCModelLayers {
+
+}