Cihai-cli

- 252: Convert to markdown

- Set cihai to 0.11.1+ to fix sqlalchemy issue

- Fix README in packaging

- Update `black` to 21.6b0
- Update trove classifiers to 3.9
- 251 Drop python 2.7 and 3.5. Remove deprecated `__future__` and modesets

- 249 Move packaging / publishing to poetry
- 248 Self host docs
- 248 Add metadata / icons / etc. for doc site
- 248 Move travis -> github actions
- 248 Overhaul Makefiles

- 247 - Move from Pipfile to Poetry
- Fixed bug in Python 2.x when showing help / "cihai"