[Feature] Making PAT optional and adding stuff to setup script

[caffeine-addictt]

What type of PR is this? (check all applicable)

• Refactor
• Feature
• Bug Fix
• Optimization
• Breaking Change
• Documentation Update

Description

• Default to using GITHUB_TOKEN instead of PERSONAL_ACCESS_TOKEN if it is not there
• Add setup option to disable template syncing
• Add setup option to remove setup script

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.