CI: automatic lint, build and deploy

[kilemensi]

Add CI integration to the monorepo.

Depends #6

May want to read:
https://blog.pantsbuild.org/monorepository-linting-via-pants-project-introspection/
https://blog.pantsbuild.org/multiple-lockfiles-python/
https://dev.to/benjyw/better-cicd-caching-with-new-gen-build-systems-3aem