Add record, stop, start_discovery and stop_discovery services for rosbag2_transport::Recorder

[MichaelOrlov]

Description

Expose rosbag2_transport::Recorder record, stop, start_discovery and stop_discovery APIs as a services

Related Issues

• Relates Windows CI can't find metadata.yaml file when using ros2 bag record #926

Completion Criteria

Services for the rosbag2_transport::Recorder record, stop, start_discovery and stop_discovery exists

Implementation Notes / Suggestions

It is pretty trivial to add the same way as other services in the rosbag2_transport::Recorder.

Testing Notes / Suggestions

• Will need to add more unit tests for the newly added services to the existent https://github.com/ros2/rosbag2/blob/rolling/rosbag2_transport/test/rosbag2_transport/test_record_services.cpp