* Update README
* Rename pytest_software.yml to pytest_modules.yml
* Rename main software directory to modules
* Remove deprecated modules
* Rename tests software to modules
* Replace paths for tests in pytest_modules.yml
* Replace software with modules in Github Actions
* Replace software with modules in main.nf tests
* Rename software to modules in test.yml
* update test data paths
* Update test md5sums
* gatk test fixes & update variantfiltration main
* few extra fixes after review
* fix suspected format error
* Update software/gatk4/variantfiltration/main.nf
* Update software/gatk4/variantfiltration/main.nf
* Apply suggestions from code review
Co-authored-by: Harshil Patel <drpatelh@users.noreply.github.com>