fork lib and add hello fairy support

[jr4]

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[codecov]

Codecov Report

Attention: Patch coverage is 21.69811% with 83 lines in your changes missing coverage. Please review.

Project coverage is 33.91%. Comparing base (75722e0) to head (f444e6e).
Report is 18 commits behind head on main.

Files with missing lines	Patch %	Lines
src/led_ble_hf/led_ble_hf.py	5.26%	54 Missing ⚠️
src/led_ble_hf/protocol.py	35.55%	29 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #58      +/-   ##
==========================================
- Coverage   35.86%   33.91%   -1.96%     
==========================================
  Files           7        8       +1     
  Lines         435      519      +84     
  Branches       80       61      -19     
==========================================
+ Hits          156      176      +20     
- Misses        277      343      +66     
+ Partials        2        0       -2     

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