feat: add messages config for failure/success

[henryiii]

See #112.

This includes .format() so that items can be added here later in a backward-compatible way.

[codecov]

Codecov Report

Attention: Patch coverage is 61.53846% with 15 lines in your changes missing coverage. Please review.

Project coverage is 83.56%. Comparing base (d977a08) to head (1666b8d).
Report is 65 commits behind head on main.

Files with missing lines	Patch %	Lines
src/scikit_build_core/build/__init__.py	28.57%	10 Missing ⚠️
src/scikit_build_core/build/wheel.py	66.66%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #825      +/-   ##
==========================================
- Coverage   83.76%   83.56%   -0.21%     
==========================================
  Files          74       74              
  Lines        4139     4173      +34     
==========================================
+ Hits         3467     3487      +20     
- Misses        672      686      +14     

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