TP159713: Create pre-commit config and run on all files

[award28]

Description

Add the pre-commit config and execute over all files to conform to the PSR-12 standard.

Manual Testing Steps

Ran pre-commit over all files.

Pre-Submission Checklist:

• [x] You've updated the CHANGELOG following the steps here
• [ ] Internal Only - If this is a release, have you:
  • [ ] Updated the links in the CHANGELOG to point towards the new versions
  • [ ] Increment the version in the following places: module.xml and composer.json

[klaviyobot]

https://klaviyo.tpondemand.com/entity/159713