What's Changed
* add `trim_first_g` option for `fastq2count` task
* for more info about this logic, see Fig 2 [here](https://pubmed.ncbi.nlm.nih.gov/25307932/)
* minor code and document improvements in https://github.com/ArcInstitute/ScreenPro2/pull/59
**Full Changelog**: https://github.com/ArcInstitute/ScreenPro2/compare/v0.3.0...v0.3.1