GitHub actions for ci/cd (partially tracked by CI pipeline for AWBW #55)

[maebeale]

GitHub actions for ci/cd (partially tracked by #55)

See notes in #3

[maebeale]

@lenikadali are you still willing to add this in? (we're on rails 8!)

i made a new issue to move us off the omnibus issue

[lenikadali]

@lenikadali are you still willing to add this in? (we're on rails 8!)

i made a new issue to move us off the omnibus issue

Yes I am! Thanks a lot for organizing the issues 🙌