Add outgoing email (smtp) to globals documentation
The charts/globals documentation does not document any of the global.smtp.*
or global.email.*
settings. The only references to them are in command line options, referenced from installation documentation for deployment. We should add a section to the globals documentation, expanding on these settings, possibly with simple examples and links to examples for Omnibus GitLab
Relates to #1099 (closed)
Relates to gitlab-com/gl-infra/delivery#1065 (closed)
Edited by Jason Plum