Document how to setup a gitlabrunner connected to repo for CI testing.
General MR
Summary
Add developer documentation how to setup an environment for testing gitlab runners and CI pipelines against repo1. This should reduce the amount of time a developer needs to test gitlab runners by documenting the steps needed for a functioning environment.
Linked Issue
Closes #2395 (closed)
Upgrade Notices
N/A
Edited by Kevin Scheunemann