Fixed default block configs

src/main/java/net/Indyuce/mmoitems/api/block/CustomBlock.java

@@ -61,6 +61,6 @@ public class CustomBlock {
 	}
 
 	public ItemStack getItem() {
-		return mmoitem.newBuilder().getItemStack();
+		return mmoitem.newBuilder().build();
 	}
 }

src/main/java/net/Indyuce/mmoitems/manager/ConfigManager.java

@@ -271,6 +271,7 @@ public class ConfigManager {
 		ITEM_TYPES("item-types.yml", "", "item-types.yml", true),
 		DROPS("drops.yml", "", "drops.yml"),
 		ITEM_SETS("item-sets.yml", "", "item-sets.yml"),
+		GEN_TEMPLATES("gen-templates.yml", "", "gen-templates.yml"),
 		UPGRADE_TEMPLATES("upgrade-templates.yml", "", "upgrade-templates.yml"),
 		EXAMPLE_MODIFIERS("modifiers/example-modifiers.yml", "modifiers", "example-modifiers.yml"),