Add support for multiple sequence generation

[Adibvafa]

Fixes issue #12

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 97.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 80.45%. Comparing base (cf2f894) to head (34c9c29).
Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
CodonTransformer/CodonPrediction.py	92.30%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #13      +/-   ##
==========================================
+ Coverage   79.75%   80.45%   +0.70%     
==========================================
  Files           8        8              
  Lines         805      839      +34     
==========================================
+ Hits          642      675      +33     
- Misses        163      164       +1     

Flag	Coverage Δ
unittests	80.45% <97.50%> (+0.70%)	⬆️

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