ArchiveBox/.github/PULL_REQUEST_TEMPLATE.md

Summary

This PR add the ability to do XYZ...

Changes these areas

• Config
• Bugfixes
• Command line interface
• Feature behavior
• Internal design
• Archived data layout on disk

Roadmap Goals

This PR helps us move towards ____ roadmap goal, as outlined here: https://github.com/pirate/ArchiveBox#roadmap