Set up GitHub actions
Set up GitHub actions

Essentially, run unit tests through tox for now.

Signed-off-by: Nils Philippsen <ad3fa8d847df2b57853a376ad688e4be8041ecd4@redhat.com>

fedora-infra/fmn,fedora-infra/fmn,fedora-infra/fmn,fedora-infra/fmn,fedora-infra/fmn