feat: add --quiet flag

[hougesen]

Add a flag that silences non-errors when linting is successful.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 57.14286% with 6 lines in your changes missing coverage. Please review.

Project coverage is 97.82%. Comparing base (e7e3b57) to head (6ea1195).

Files with missing lines	Patch %	Lines
src/command/check.rs	66.66%	3 Missing ⚠️
src/main.rs	0.00%	2 Missing ⚠️
src/command.rs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #78      +/-   ##
==========================================
- Coverage   97.90%   97.82%   -0.08%     
==========================================
  Files          71       71              
  Lines        5974     5987      +13     
==========================================
+ Hits         5849     5857       +8     
- Misses        125      130       +5     

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[akiomik]

Cool! Thank you😉