🚃 create pubapp

[dmiller15]

Description

This PR creates a new, standaridized public app for the RNAseq workflow. Small formatting changes were also made to clean up the readme such as removing empty lines and indentation fixing.

Closes https://github.com/d3b-center/bixu-tracker/issues/762

Type of change

• [x] New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• [x] cwltool validation
• [x] Cavatica test: https://cavatica.sbgenomics.com/u/kfdrc-harmonization/kf-reference-pipeline/tasks/cbeaf42e-913b-41ca-9163-f813cfd5ec4c/#

Test Configuration:

• Environment: cwltool 3.0.20200324120055, cavatica
• Test files: see cavatica test

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] I have checked my code and corrected any misspellings