Mat redesign

[MicahGale]

Description

Please include a summary of the change and which issue is fixed if applicable. Please also include relevant motivation and context.

Design based on #475.

• Fixes Duplicate Nuclides in Material definition will lose information #504
• Fixes Improve Isotope Instantiation #505
• fixes Moving to true Continuous Deployment: Creating an Alpha release channel.  #383
• fixes Implement __slots__ to avoid user confusion #508
• fixes Material strings can become unruly. #144
• fixes Allow querying materials by elements #95
• fixes Add support for particle specific libraries and default libraries.  #369
• fixes Can't make a material from scratch and export it. #512
• fixes Make Material.is_atom_fraction settable #511
• fixes Support poorly formatted Material definitions #182
• fixes Remove duplicate objects without relying on Hashing #63
• fixes Make NumberedObjectCollection act like a set #138
• fixes Separate nuclear data from the concept of an Isotope #112
• fixes Implement singleton pattern for Immutable objects #550
• Fixes Make documentation rustier #559 (just going to write the guidelines here).

Checklist

• I have performed a self-review of my own code
• I have made corresponding changes to the documentation (if applicable)
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• Implement alpha deploy process to PyPI in GHA
• Test that Element and Nucleus? are immutable.
• Added versionadded and versionchanged
• Test unruly strings for material printing
• test set like behavior for numberedobject collection
• promote surfaces to be second or first class objects.
• test materials with plib intermixed with materials
• document migration.
• Create easy way to edit existing Nuclide definition (library), and fraction.
• Document all random constant dictionaries in dev stuff, and add to PR checklist
• Implement all proposed changes from RFI: Overhauling how Materials and Isotopes are handled. #475.
• Manually merge due to immediate deploy
• Cleat out all TODOs
• Document that type strings are now the standard going forward. Mention rolling basis. Mention pytest expectations.