feat: Implementation of the Button component Style API.

[DaemonCahill]

This PR implements the core Style API for the Button component.

[codecov]

Codecov Report

Attention: Patch coverage is 42.30769% with 15 lines in your changes missing coverage. Please review.

Project coverage is 96.49%. Comparing base (b619c48) to head (5da9ede).

Files with missing lines	Patch %	Lines
src/button/internal.tsx	40.00%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3540      +/-   ##
==========================================
- Coverage   96.55%   96.49%   -0.07%     
==========================================
  Files         804      804              
  Lines       23438    23463      +25     
  Branches     8174     7774     -400     
==========================================
+ Hits        22630    22640      +10     
- Misses        754      816      +62     
+ Partials       54        7      -47     

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