squashed commits:
- fix unpacking regex matches for dice notation
- fix missing cast to integer
- fix raw result output
- fix formatting of chat message for raw result
- faster dockerfile builds?
- fancier output format
- fix variable name collision
- remove unnecessary newline
- more robust handling of dF
- fix typo
- fix formatting
- use blank character for dF
- add pyproject.toml, README, and recommend using pdm
- cleanup dependencies and switch to better ones
- remove mumble stub
fix missing env var call
fix null env var
