Add Item.Builder#setItemProvider(ItemStack)

Author: NichtStudioCode

invui/src/main/java/xyz/xenondevs/invui/item/Item.java

@@ -105,6 +105,16 @@ static Item simple(Function<? super Player, ? extends ItemProvider> itemProvider
      */
     interface Builder<S extends Builder<S>> {
 
+        /**
+         * Sets the {@link ItemProvider} of the {@link Item} to a static {@link ItemStack}.
+         *
+         * @param itemStack The {@link ItemStack} to display.
+         * @return This builder.
+         */
+        default S setItemProvider(ItemStack itemStack) {
+            return setItemProvider(new ItemWrapper(itemStack));
+        }
+        
         /**
          * Sets the {@link ItemProvider} of the {@link Item}.
          *