Changes to POST /umbraco/management/api/v1/schemeweaver/mappings

added the new required request property warnings

added the new optional request property driftStatus

added the new optional request property persistedTo

added the new optional request property reachability

added the optional property driftStatus to the response with the 200 status

added the optional property persistedTo to the response with the 200 status

added the optional property reachability to the response with the 200 status

added the required property warnings to the response with the 200 status