gitlab-experiment gem

Aim

Extend our experiment capabilities beyond the current implementation

Implementation

https://gitlab.com/gitlab-org/gitlab-experiment

README: https://gitlab.com/gitlab-org/gitlab-experiment/-/blob/master/README.md

Deliverables

• Add the gem to the gitlab project !45840 (0718b1b1)
• Add an experiment feature flag type 0718b1b1
• Add a proof of concept experiment !45840 (6ea9d9e5)

Note these are the same merge request, filtered to show relevant commits.

See also

• &4289 (closed)
• https://gitlab.com/gitlab-org/gitlab-experiment

Deliverable: merge request to add gitlab-experiment to gitlab-org/gitlab

See also https://gitlab.com/gitlab-org/growth/experimentation/-/issues/16