feat: add normalisation violence metrics definitions

[sof202]

Description

This pull request will add a list below the correlation matrix between QC metrics providing a quick explanation of the normalisation violence metrics (that come from wateRmelon::qual).

Issue ticket number

This pull request is to address issue: #212.

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