feat: ✨ Added Smithing Upgrade as smithing recipes "Catalyst" in JEI …

…compatibility so that it shows up next to smithing recipes and can be used to show all smithing recipes by pressing U on it

src/main/java/net/p3pp3rf1y/sophisticatedbackpacks/compat/jei/SBPPlugin.java

@@ -95,6 +95,7 @@ public void registerRecipes(IRecipeRegistration registration) {
 	public void registerRecipeCatalysts(IRecipeCatalystRegistration registration) {
 		registration.addRecipeCatalyst(new ItemStack(ModItems.CRAFTING_UPGRADE.get()), RecipeTypes.CRAFTING);
 		registration.addRecipeCatalyst(new ItemStack(ModItems.STONECUTTER_UPGRADE.get()), RecipeTypes.STONECUTTING);
+		registration.addRecipeCatalyst(new ItemStack(ModItems.SMITHING_UPGRADE.get()), RecipeTypes.SMITHING);
 		additionalCatalystRegistrar.accept(registration);
 	}