* Initial commit of seqtk/seq module files
* pytest.yml
* updated module and tests code, need to finish modules/main.nf
* Initial commit of seqtk/seq module files
* pytest.yml
* updated module and tests code, need to finish modules/main.nf
* Adding code and configs for seqtk/seq module
* Re-tested module following minor code update
* removed trailing whitespace errors
* Changed variable name to following reviewer suggestions
Co-authored-by: Sateesh <33637490+sateeshperi@users.noreply.github.com>