Tweak format and wording of contributor doc

[mfisher87]

Split off from #565. Thank goodness for cherry-pick :)

[github-actions]

👈 Launch a binder notebook on this branch for commit 4791216

I will automatically update this comment whenever this PR is modified

👈 Launch a binder notebook on this branch for commit 23bd5c1

👈 Launch a binder notebook on this branch for commit 19e5a5b

👈 Launch a binder notebook on this branch for commit 59d4355

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.37%. Comparing base (e491c84) to head (59d4355).
Report is 28 commits behind head on development.

Additional details and impacted files

@@             Coverage Diff              @@
##           development     #566   +/-   ##
============================================
  Coverage        65.37%   65.37%           
============================================
  Files               36       36           
  Lines             3038     3038           
  Branches           531      531           
============================================
  Hits              1986     1986           
  Misses             970      970           
  Partials            82       82           

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[JessicaS11]

Any idea how easy it is to add the interactive "copy" button to the rendered version of this? Definitely not something we should hold up this PR for, but this caught my eye during review as a spot that would be nice to have.

[mfisher87]

I think that's a pretty easy change with a plugin: https://sphinx-copybutton.readthedocs.io/en/latest/

[mfisher87]

#587

[JessicaS11]

Looks great - thanks Matt!