Add BatchNorm1D implementation

[codecov-commenter]

Codecov Report

Merging #83 (05d8601) into main (6f1b052) will decrease coverage by 0.36%. The diff coverage is 92.77%.

:exclamation: Current head 05d8601 differs from pull request most recent head d0999fd. Consider uploading reports for the commit d0999fd to get more accurate results

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
- Coverage   96.40%   96.04%   -0.36%     
==========================================
  Files          30       36       +6     
  Lines        2587     2859     +272     
==========================================
+ Hits         2494     2746     +252     
- Misses         93      113      +20     

Impacted Files	Coverage Δ
RTNeural/Model.h	100.00% <ø> (ø)
RTNeural/batchnorm/batchnorm.h	73.33% <73.33%> (ø)
RTNeural/batchnorm/batchnorm_eigen.h	73.33% <73.33%> (ø)
RTNeural/model_loader.h	84.61% <75.00%> (-1.44%)	:arrow_down:
RTNeural/batchnorm/batchnorm_xsimd.h	81.81% <81.81%> (ø)
RTNeural/ModelT.h	88.70% <100.00%> (+0.77%)	:arrow_up:
RTNeural/batchnorm/batchnorm.tpp	100.00% <100.00%> (ø)
RTNeural/batchnorm/batchnorm_eigen.tpp	100.00% <100.00%> (ø)
RTNeural/batchnorm/batchnorm_xsimd.tpp	100.00% <100.00%> (ø)

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