Upgrade to release 1.2.1:
- Update docs structure, adding Contribution and Code of Conduct
sections
- Drop ``bumpversion`` for ``bump-my-version`` and add ``make
package-test`` to build and test the package before pushing to
pypi.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>