Changes to Pobierz listę producentów

for the query request parameter limit, default value 100 was added

for the query request parameter offset, default value 0 was added

the items response's property type changed from integer to object, and format from int64 to no format for status 200

added the non-success response with the status 422

added the non-success response with the status 500

added the optional property items/id to the response with the 200 status

added the optional property items/list_style to the response with the 200 status

added the optional property items/responsibleperson_id to the response with the 200 status

added the optional property items/title to the response with the 200 status