re-adding PR checks, and fixing black/archives errors (jpetrucciani#15)

add python 3.10 to testing, update shell.nix (jpetrucciani#13)

[docs] fixing up some docs, fixing the logic around rigged dice, fixi…

…ng 'd' (jpetrucciani#8)

[ops] switching from travis to github actions (jpetrucciani#7)

* [ops] switching from travis to github actions

* fixing double run of github actions

adding hands, poker ranks, basic hand comparison, and writing more tests

adding cards and decks, and writing tests for everythuing

fixing the readme for pip

Update globals.py

fixing tests, adding deploy