Mélodium core crate

Core Mélodium components for compiled libraries.

This crate is aimed to be used by compiled Mélodium libraries, in conjuction with melodium-macro.

Core Mélodium types are exposed here, and base descriptors for built-in elements are provided within the descriptor module.

Look at the Mélodium crate or the Mélodium Project for more detailed information.