Error categories guide

[reitermb]

Summary of Changes

Adds error categories guide

[reitermb]

@ADPennington Minor update to the description of #2845 to reflect cat 5,6 examples coming at a later date and spun up a PR. Should be good for review!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.47%. Comparing base (e120f9d) to head (ef6f44f).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2907      +/-   ##
===========================================
- Coverage    93.50%   93.47%   -0.04%     
===========================================
  Files          268      269       +1     
  Lines         6190     6219      +29     
  Branches       528      530       +2     
===========================================
+ Hits          5788     5813      +25     
- Misses         309      313       +4     
  Partials        93       93              

Flag	Coverage Δ
dev-backend	93.63% <ø> (-0.05%)	⬇️
dev-frontend	92.62% <ø> (ø)

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[reitermb]

@ADPennington I took another pass to tackle the comments! We have an on-deck discussion item to talk through Tribal T7 re: friendly name #2801 work I believe but I've erred on the side of matching the record type guide to what's in the codebase for the moment.

[ADPennington]

@reitermb made a few more suggestions

[reitermb]

@reitermb made a few more suggestions

Committed! + a tweak to link to both the knowledge center guidance (note that the link won't work until that merges) and the PR

[ADPennington]

🚀