Proto commits in carlosholivan/musicaiz

These 3 commits are when the Protocol Buffers files have changed:

Commit:64359c9
Author:carlosholivan

refactor quantizer configs as dataclass

The documentation is generated from this commit.

Commit:3cac417
Author:carlosholivan

big refactor to load notes, bars, beats and subbeats as objects when loading a midi file with tempo and time signature changes. Addition of REMI tokenizer, multi-track pianorolls and chord detection algorithm

Commit:d42dff6
Author:carlosholivan

add proto and tests