project dataclass - warn on extra kwargs

[ryanSoley]

What

• overrides the domain Project's dataclass-created __init__
  • warn on unexpected kwargs rather than error to support forwards and backwards compatibility across changes to the rubicon-ml data model
  • from this point forward, any rubicon-ml library version should be able to read projects from disk written by any other rubicon-ml library version (assuming only the data model changes, not the way the library itself reads data)

How to Test

• python -m pytest tests/unit/domain/test_domain.py

Next Steps

• repeat the process for the remaining domain-level dataclasses