Build some base Docker images

This repo now provides as the base Docker images to use for ACS services, where possible. There are four images:

• acs-base-js-build: for building JS services.
• acs-base-js-run: for the running JS services.
• acs-base-pg-build: for building JS services which require GSSAPI Pg access.
• acs-base-pg-run: for running JS services which require GSSAPI Pg access.

Base images are build for amd64 and arm64.

v0.0.1-dev.3

Metadata action requires an image name.

v0.0.1-dev.2: Fix the image base properly

Fix image base.

v0.0.1-dev.1: We don't need a job dependency

Try a build.