Uses new htmlrewriter package

What's Changed

• Implement first pass at adding Endpoint Harness testing utilities. by @jonfriesen in #1
• adds tools to index export by @jonfriesen in #2
• use htmlrewriter package by @jonfriesen in #4
• use new gh actions workflows by @jonfriesen in #5

New Contributors

• @jonfriesen made their first contribution in #1

Full Changelog: https://github.com/qpoint-io/qpoint-testing/commits/v0.0.8