Please add CL-JSCHEMA

[MauDagos]

Hi Zach! Hope you're doing well 😄 Could you add CL-JSCHEMA to Quicklisp? You can find it here: https://github.com/MauDagos/cl-jschema

If possible, please track the latest GitHub release. If not, then currently only one exists: v1.0.0

Thanks in advance!