: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:

• [x] #15
• [x] #16
• [x] #17
• [x] #18
• [x] #19
• [x] #20
• [x] #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.

• [ ] https://github.com/scientist-softserv/amigos/issues/22
• [x] https://github.com/scientist-softserv/amigos/issues/21
• [x] https://github.com/scientist-softserv/amigos/issues/9
• [ ] https://github.com/scientist-softserv/amigos/issues/14
• [ ] https://github.com/scientist-softserv/amigos/issues/24
• [ ] https://github.com/scientist-softserv/amigos/issues/23