Please add mutils

[mmontone]

Hello.

mutils is a collection of Common Lisp modules.

https://github.com/mmontone/mutils

Can you add? Thank you!

[quicklisp]

Failure log here: http://report.quicklisp.org/2023-07-26/failure-report/mutils.html

[mmontone]

I forgot the ASDF system description. Should be good now.

[mmontone]

Thanks