Refactored package, moved metrics, added iterator

What's Changed

• added pypi.yaml workflow by @eacharles in #115
• Issue/91/risk based point estimate by @maxwest-uw in #116
• Updated readme badges and links by @drewoldag in #117
• Pyproject and code organization by @drewoldag in #118
• Issue/120/iterator by @eacharles in #121
• Separated qp metric wrappers and implementations by @drewoldag in #119

New Contributors

• @drewoldag made their first contribution in #117

Full Changelog: v0.6.3...v0.7.0