Prepare open version

[jmbhughes]

• [x] add python publish CI
• [x] add a note in the readme about this being an early version
• [x] check version numbering
• [x] check author list

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 88.00%. Comparing base (799038a) to head (24923dd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #76 +/- ## ======================================= Coverage 88.00% 88.00% ======================================= Files 18 18 Lines 817 817 ======================================= Hits 719 719 Misses 98 98 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.