Update mkdocs.yml
Update mkdocs.yml

As in this repo "telefonicaid/fiware-cygnus" there is a mistake in yml file, for more info look at the pull request:
https://github.com/telefonicaid/fiware-cygnus/pull/1639
Links to GitHub in https://fiware-orion.readthedocs.io are broken for this reason.
Repo URL must be:
repo_url: https://github.com/telefonicaid/fiware-orion
Instead of
repo_url: https://github.com/telefonicaid/fiware-orion.git
telefonicaid/fiware-orion,telefonicaid/fiware-orion,telefonicaid/fiware-orion,telefonicaid/fiware-orion,Fiware/data.Orion,telefonicaid/fiware-orion,Fiware/data.Orion,Fiware/data.Orion,Fiware/data.Orion,telefonicaid/fiware-orion,Fiware/data.Orion,Fiware/data.Orion