New API to retrieve custom fields details, including list of dropdown values

As a customer working on automating the creation of Zephyr projects and onboarding new users, I need the ability to retrieve all details for a specific custom field.

This should include all custom field details (as below) as well as the list of values for fields like picklist and multi-select.

"displayName": "Project Admin",

"fieldId": 1132,

"fieldName": "zcf_1132"

OLD ID :- ZENT-I-307