PR to add grocy as a service.
I think LDAP should be [relatively
simple](https://www.reddit.com/r/grocy/comments/18avtb7/sso_tutorial/)
to add, but couldn't find good information on SSO.
Will test this out for a while to make sure it really works before this
can be merged.
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Co-authored-by: ibizaman <ibizapeanut@gmail.com>
Co-authored-by: Pierre Penninckx <github@pierre.tiserbox.com>
