Developer.wordpress.org updates

[jonathanbossenger]

Updates to documentation that were required when adding the developer docs to developer.wordpress.org

[github-actions]

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Co-authored-by: jonathanbossenger <psykro@git.wordpress.org>

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 22.52%. Comparing base (5f64910) to head (e2afded).

Additional details and impacted files

@@              Coverage Diff              @@
##              trunk     #155       +/-   ##
=============================================
- Coverage     80.46%   22.52%   -57.94%     
  Complexity      178      178               
=============================================
  Files            20       20               
  Lines          1474     1474               
  Branches        120      120               
=============================================
- Hits           1186      332      -854     
- Misses          288     1142      +854     

Flag	Coverage Δ
javascript	94.61% <ø> (ø)
unit	1.40% <ø> (-74.92%)	⬇️

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