[Refactor]: Guidelines for TidyVerse refactoring

[jcaracappa1]

Description

Refactor all code to TidyVerse with semi-automated workflow

Suggested Solution

Create a package style guide with a description of the function inputs/outputs and data handling and add to CONTRIBUTING
Implement semi-automated refactoring process with a Gem.

1. Give style guide and codebase as context
2. Create a testing workflow that can run on refactored and current functions
3. Test for identical outputs and performance