* Add README App section

@AyushExel @pderrenger this should increase our app visibility per https://github.com/ultralytics/yolov5/issues/10431Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

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