feat: add hint association and attribute passthrough for radio buttons

[greatislander]

Resolves #69, resolves #70.

[codecov]

Codecov Report

Merging #72 (e5ae1bd) into main (b313221) will increase coverage by 2.42%.
The diff coverage is 100.00%.

❗ Current head e5ae1bd differs from pull request most recent head 1528a66. Consider uploading reports for the commit 1528a66 to get more accurate results

@@             Coverage Diff              @@
##               main      #72      +/-   ##
============================================
+ Coverage     37.57%   40.00%   +2.42%     
  Complexity       62       62              
============================================
  Files            19       19              
  Lines           322      325       +3     
============================================
+ Hits            121      130       +9     
+ Misses          201      195       -6     

Impacted Files	Coverage Δ
src/Components/RadioButtons.php	100.00% <100.00%> (+100.00%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b313221...1528a66. Read the comment docs.