API documentation page 404's

[psychedelicious]

Describe the bug
The API documentation page does not work, HTTP 404.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://danigb.github.io/tonal/'.
2. Check response headers => 404.

Expected behavior
API documentation displays => 200.

[leocaseiro]

I think the new links are:

https://tonaljs.github.io/tonal-app and https://tonaljs.github.io/tonal