This adds a basic airship-core type and test-site definition, which initially
will point back to airshipctl for everything but site-specific configuration.
Gating is added under a dependent changeset:
https://review.opendev.org/#/c/741648
This removes the yaml-lint job / make target, since that chokes on CRs whose
definitions are not present. YAML validation will be re-enabled by borrowing
the YAML validation from the airshipctl project, which leverages kustomize
and a live kubernetes API server.
Change-Id: I51c469f74be1270325f523343c02d36c2512e739
From recently merged document updates in [0] there is a desire to
standardize the Airship project python codebase. This is the effort
to do so for the Treasuremap project.
[0] https://review.opendev.org/#/c/671291/
Change-Id: Icd45f1b99a90e6c934a84fdd91f2f7f8af5a8ddb