End to end processing of calibrated FITs image sets

Version 0.6.0 of the AstroPhotography package includes the following changes:

• Python wrapper for processing multiple calibrated image sets, e.g. iTelescope premium image sets. (ApProcessor, ap_processor)
• Walk throughs of processing calibrated images and generating bad pixel maps using jupyter notebooks in AstroPhotography/notebooks
• API breaking package re-organization with creation of util subpackage.
• API breaking changes to other classes, e.g. ApAstrometry.
• Various minor fixes to ApAstrometry, ApFindBadPixels, etc.
• Continuing work on improving the Sphinx documentation.
• In process switch to Ruff for formatting/linting and adopting type hinting.

v0.5.1: Merge pull request #22 from DaveStrickland/issue-021

What's Changed

• Issue 015 Sphinx documentation generation does not work by @DaveStrickland in #18
• Issue 017 ApAddMetadata fails on iTelescope Premium Image sets by @DaveStrickland in #19
• Resolve Issue 021 - Adapt to astropy 6 API changes by @DaveStrickland in #22

Full Changelog: v0.4.2...v0.5.1