Separate format check

[sloede]

Resolves #4.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (0e8161a) 93.65% compared to head (44a16f9) 88.52%.

:exclamation: Current head 44a16f9 differs from pull request most recent head 72b600a. Consider uploading reports for the commit 72b600a to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6 +/- ## ========================================== - Coverage 93.65% 88.52% -5.13% ========================================== Files 4 4 Lines 63 61 -2 ========================================== - Hits 59 54 -5 - Misses 4 7 +3 ```

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[github-actions[bot]]

Pull Request Test Coverage Report for Build 7698722990

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.651%

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Totals
Change from base Build 7698633312:	0.0%
Covered Lines:	59
Relevant Lines:	63

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💛 - Coveralls

[sloede]

@efaulhaber it would be great to get your approval as well such that the auto-merge cna go ahead