Changes to Get all volumes

the items/create_directory_command response's property type changed from string to object for status 200

the items/created_by_user_id response's property type changed from string to object for status 200

the items/filesystem_to_fstab_command response's property type changed from string to object for status 200

the items/instance_id response's property type changed from string to object for status 200

the items/mount_command response's property type changed from string to object for status 200

the items/pseudo_path response's property type changed from string to object for status 200

the items/target response's property type changed from string to object for status 200

added the required property items/tags to the response with the 200 status