Retrieves all document uploads associated with a leasing contract and its asset.

This endpoint returns a comprehensive list of all files related to the contract,
including lease agreements, addendums, rent receipts, management reports, and
any other documents attached to either the contract itself or its associated
property.

Document management is a critical aspect of property management, and this endpoint
provides a central location to access all relevant files for compliance,
record-keeping, and operational purposes.