Remove default type, update docs

[nefrathenrici]

Content

• Remove the default type and error if a parameter has no type
• Add clearer docs for array parameters
• Update test to match
• Fix the formatter GHA update

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (110de02) 98.49% compared to head (2d61ca6) 98.50%.

❗ Current head 2d61ca6 differs from pull request most recent head e82b207. Consider uploading reports for the commit e82b207 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #166      +/-   ##
==========================================
+ Coverage   98.49%   98.50%   +0.01%     
==========================================
  Files           2        2              
  Lines         133      134       +1     
==========================================
+ Hits          131      132       +1     
  Misses          2        2              

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[odunbar]

LGTM! Glad we are removing the default here

NB seems like the formatter is failing, perhaps this needs to be rerun

[nefrathenrici]

@odunbar can we consider #144 closed with this PR? I think that this addresses the remaining points (array params and overrides)