Autogenerate api docs

[je-cook]

Description

Checklist

I confirm that I have completed the following checks:

• My changes follow the PROCESS style guide
• I have justified any large differences in the regression tests caused by this pull request in the comments.
• I have added new tests where appropriate for the changes I have made.
• If I have had to change any existing unit or integration tests, I have justified this change in the pull request comments.
• If I have made documentation changes, I have checked they render correctly.
• I have added documentation for my change, if appropriate.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 98.26087% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.60%. Comparing base (9b6c78a) to head (a039485).

Files with missing lines	Patch %	Lines
process/io/costs_bar.py	0.00%	1 Missing ⚠️
process/io/process_config.py	94.11%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4097      +/-   ##
==========================================
+ Coverage   46.57%   46.60%   +0.03%     
==========================================
  Files         124      124              
  Lines       29042    29054      +12     
==========================================
+ Hits        13526    13542      +16     
+ Misses      15516    15512       -4     

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