Add contact email with O365 email address
Now that we have an email address to contact the API Program team, we should document that.
Users are not receiving the expected GitLab notification emails. To track progress and resolution of this issue, see: https://outages.doit.wisc.edu/outage/94c28174712f580e52ae1542799e6f0ac541d75a08
Now that we have an email address to contact the API Program team, we should document that.