[DOCS0-2] Document all public classes, methods and functions

[blythed]

Use this utility: https://github.com/SuperDuperDB/superduperdb/blob/main/test/unittest/test_docstrings.py

TODO:

• [ ] Add a utility to restrict the checkers to the below places.

Prelaunch:

• [ ] base.datalayer.Datalayer
• [ ] components.component.Component
• [ ] components.model.*
• [ ] components.datatype.*
• [ ] components.vector_index.VectorIndex
• [ ] components.schema.Schema
• [ ] components.metric.Metric