Implement a Python class in the SDK to represent Trestle OSCAL extension.

[jpower432]

Issue description / feature objectives

They are a few implementations throughout the trestle SDK that interact with rules in different ways. Some examples below. This feature objective would be to create a new class to centralized interaction with Rules throughout the codebase.

https://github.com/oscal-compass/compliance-trestle/blob/develop/trestle/tasks/csv_to_oscal_cd.py

compliance-trestle/trestle/core/control_context.py

Line 60 in 5736cea

rules_dict: Optional[Dict[str, Dict[str, Any]]] = None

compliance-trestle/trestle/core/control_interface.py

Line 399 in 5736cea

def get_rules_dict_from_item(item: TypeWithProps) -> Tuple[Dict[str, Dict[str, str]], List[common.Property]]:

Caveats / Assumptions

• N/A

Completion Criteria

• Define a RuleSet class that can be used to interact with Rules and associated extensions through OSCAL properties