* Add optional `transforms` argument to LoadStreams()

Prepare for streaming classification support
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Cleanup
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* fix

* batch size > 1 fix
Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>