feat(encoding/unstable): Crockford base32 unstable support

[wesleyakio]

Crockford base32 support as discussed in #6235

File naming is unstable_base32crockford.ts instead of unstable_base32_crockford.ts in order to mimic the already existing unstable_base32hex.ts.

This is a clone of base32/base32hex with the Crockford dictionary and no other changes except for test updates to match the new dictionary.

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.52%. Comparing base (f13db89) to head (53f6f0f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6238      +/-   ##
==========================================
- Coverage   96.52%   96.52%   -0.01%     
==========================================
  Files         534      535       +1     
  Lines       41008    41028      +20     
  Branches     6141     6141              
==========================================
+ Hits        39585    39604      +19     
- Misses       1381     1382       +1     
  Partials       42       42              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[kt3k]

LGTM