Jetson Demo - I maxed out the GPUs with multiple inference + multiple webcam support

[raymondlo84]

https://towardsdatascience.com/using-cv-and-ml-to-monitor-activity-while-working-from-home-f59e5302fe67

This pretty much pushed the limit on the Jetson Nano with Body Pose Estimation + Emotion Tracking (i.e., with Face detection)