[Recommend] RESOPS24 - Create Recommender CI workflow

[TobySMurray]

Description

Adds a workflow for the recommender service. This is a stacked PR on #98, please review that first.

Closes #24

How to Test

View the CI output below or run the actions locally with act

Checklist

• [x] The code includes tests if relevant
• [x] I have actually self-reviewed my changes and done QA