Make iron an alias for iron_ingot and gold an alias for gold_ingot

[Atticuss26]

Feature description

so when you do /give iron it gives you an iron bar and when you do /give gold it gives you a gold ingot.

How the feature is useful

This is useful because it is easier to type in stuff

[ayush03dev]

I think you can add your custom aliases from custom_items.yml file.