Test `cellranger-analysis` (K1/2)

[AntoniaChroni]

What scientific question/module of analysis is your analysis addressing?

This is to test cellranger-analysis module after adding the flag --force_cells=8000 to run CellRanger.

What GitHub issue does your pull request address?

Closes #27.

Directions for reviewers

Tell potential reviewers what kind of feedback you are soliciting.

Which areas should receive a particularly close look?

Please follow the instructions in the README file and change the parameters as necessary. Please run the module and confirm successful completion.

Reproducibility Checklist

• [ ] The dependencies required to run the code in this pull request have been added to the project Dockerfile.

Documentation Checklist

• [x] This analysis module has a README and it is up to date.
• [x] The analytical code is documented and contains comments.