:comet: :gift: Create and expand Dynamic Schema functionality

[ShanaLMoore]

SOW

Summary

1. Create a DatabaseSchemaLoader that mimics the SimpleSchemaLoader but is called on object instantiation
2. Expand DatabaseSchemaLoader to handle M3 (Machine-readable Metadata Modeling) spec

WIP PR

WIP PR is considered finished after completing the following tasks:

• 🎁 All the metadata in config/metadata/*_metadata.yaml needs to be translated to the m3 profile #15
• 🎁 A copy of the m3 profile needs to be created in Dassie and Koppie that use the work types in Dassie and Koppie #16
• 🎁 Loading the default profile should be added to the seeds if the flag is turned on for now (since an uploading interface is down the road) #17
• ✅ Specs for SchemaLoader need to be done #18
• ✅ Specs for Hyrax::FlexibleSchema need to be done #19
• ✅ Spec coverage for Hyrax::Resource with dynamic loading need to be written #20
• ✅ Specs for Hyrax::Flexibility #25

Acceptance Criteria

• Hyrax supports the use of M3 profiles to determine its metadata. It should also support versioning.

Testing Instructions

Notes

[ShanaLMoore]

These items are excluded from the PR to keep the PR manageable.

They are necessary for the feature to be released, but since it is behind a flag we recommend merging as we go.

• 🎁 Form Object Dynamic Loading #22
• 🎁 Indexing Object Dynamic Loading #21
• 🎁 Implement UI to upload yamls #9
• 🎁 Select Admin Set while selecting work type #14
• 🎁 Contexts needs to be implemented #24
• 🎁 Add a UI Display of which version an item is currently and what it will become after save #23