Update R libraries to be installed in setup

[marinafloresp]

Description

This pull request will update the list of R libraries to be install during the setup of the ATAC-seq pipeline, done by the installLibraries.r script. Other minor errors/updates have been performed.

Issue ticket number

This pull request is to address issue: #277 .

Type of pull request

• Bug fix
• New feature/enhancement
• Code refactor
• Documentation update

Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have tested my code to check that it is functional
• I have used linters to check for common sources of errors
• I have implemented fail safes in my code to account for edge cases
• I have made the corresponding changes to the documentation

[sof202]

Would it be possible to include a link to this or this here (or something similar)? Just so that the user can have some idea of how they might decide the cutoff to use.

[marinafloresp]

@sof202 I will add it in the README file