* python-pydantic-v1: Keep trailing commas for tuples when enum has just single member
* Update samples
* Add test for single member enums
* Refactor test name
* Add enum support when building default values for model properties
* Update enum handling for Python for enum references
* Remove unused method
* Update mustaches for FastAPI, Pydantic, and Python for default values
* Address PR feedback and rebase main
* Remove old 2_0 samples
* Update Python mustache templates to fix _form_ typo and correct casing for class name when calling from_dict()
* Results of 'build the project' checklist step