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-**Git** https://about.gitlab.com/images/press/git-cheat-sheet.pdf
-
-**Getting Started** https://www.youtube.com/watch?v=oU8-qV-ZtUY&ab_channel=ModdingbyKaupenjoe
-
-https://fabricmc.net/develop/template/
-
-```java
-package de.jottyfan.gta.dgp;
-
-import net.fabricmc.api.ClientModInitializer;
-
-/**
- * @author jotty
- */
-public class GTAGDPClient implements ClientModInitializer {
-	@Override
-	public void onInitializeClient() {
-	}
-}
-```
-
-in `src/main/resources/fabric.mod.json`:
-```json
-  ...
-  "entrypoints": {
-    ...
-    "client": [
-			"de.jottyfan.gta.gdp.GTAGDPClient"
-	}
-  }
-```
-
-**Custom Items** https://www.youtube.com/watch?v=9xflCDe-Ruw&ab_channel=ModdingbyKaupenjoe
-
-see also: https://git.jottyfan.de/GTA_Minecraft_Fabric_Mod_Development/GTAGDP/commit/bd1d872a52a7392dd16777ead2d9d6be26014b43
-
-```java
-package de.jottyfan.gta.gdp.item;
-
-import de.jottyfan.gta.gdp.GTAGDP;
-import net.fabricmc.fabric.api.itemgroup.v1.ItemGroupEvents;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemGroups;
-import net.minecraft.registry.Registries;
-import net.minecraft.registry.Registry;
-import net.minecraft.registry.RegistryKey;
-import net.minecraft.registry.RegistryKeys;
-import net.minecraft.util.Identifier;
-
-/**
- *
- * @author jotty
- *
- */
-public class ModItems {
-
-	public static final Item STUB = registerItem(
-	    Identifier.of(GTAGDP.MOD_ID, "stub"), new Item.Settings());
-
-	private static Item registerItem(Identifier identifier, Settings settings) {
-		return Registry.register(Registries.ITEM, identifier,
-				new Item(settings.useItemPrefixedTranslationKey()
-				    .registryKey(RegistryKey.of(RegistryKeys.ITEM, identifier))));
-	}
-
-	public static void registerModItems() {
-		GTAGDP.LOGGER.info("registering mod items for " + GTAGDP.MOD_ID);
-
-		ItemGroupEvents.modifyEntriesEvent(ItemGroups.INGREDIENTS)
-		    .register(entries -> {
-  			    entries.add(STUB);
-		});
-	}
-}
-```
-
-in `GTAGDP`, modify to:
-
-```java
-    @Override
-	public void onInitialize() {
-		ModItems.registerModItems();
-	}
-```
-
-under `src/main/resources/assets/gtagdp`, add:
-
-- `items/stub.json`
-```json
-{
-  "model": {
-    "type": "minecraft:model",
-		"model": "gtagdp:item/stub"
-  }
-}
-```
-- `lang`
-  - `de_de.json`
-```json
-{
-  "item.gtagdp.stub": "Stummel"
-}
-```
-  - `en_us.json`
-```json
-{
-  "item.gtagdp.stub": "Stub"
-}
-```
-- `models/item/stub.json`
-```json
-{
-	"parent": "minecraft:item/generated",
-	"textures": {
-		"layer0": "gtagdp:item/stub"
-	}
-}
-```
-- `textures/item/stub.png`
-https://git.jottyfan.de/GTA_Minecraft_Fabric_Mod_Development/GTAGDP/src/commit/bd1d872a52a7392dd16777ead2d9d6be26014b43/src/main/resources/assets/gtagdp/textures/item/stub.png
-
-Task: add a ruby; maybe use the icon from here https://minecraft.fandom.com/wiki/Minecraft_Earth:Ruby and modify colors and shape
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