[Chore] Adding mention to documentation

[noraj]

There is no mention or link to the documentation on the main repository https://github.com/CervantesSec/cervantes.

It would be nice to add the link https://cervantessec.github.io/docs/ to the project settings.

Example for another project

I also made this PRs #2, CervantesSec/docker#1, https://github.com/CervantesSec/docs/pull/1

[mesquidar]

Already added

Thanks
Kind regards