Redis Background Worker

[kespinola]

Goal

Hub NFTs has a redis instance running to support the background job runner.

- [x] Local - Able to run with skaffold
- [x] Staging - Run redis in container (allow for optionally enabling redis)
- [x] Production - Run as managed redis within Google cloud

[mpwsh]

deployed redis on prod
https://github.com/holaplex/hub-terraform/pull/15/files