Github-actions for large/complex tasks is hard to read and maintain.
Reimplement the multi-arch image build workflow into a set of bash
scripts that use all native contrainer-org tooling. This requires
a special VM image setup with emulation to build foreign architectures.
It also requires renaming the `helloimage` directory, because the build
script uses the directory name in the image FQIN.
Signed-off-by: Chris Evich <cevich@redhat.com>
Chris Evich