Add index hand tracking videos

1 job for master in 5 minutes and 22 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
failed build #80750

00:05:22

 
Name Stage Failure
failed
build Build
$ python3 file-demo.py
Traceback (most recent call last):
File "/builds/col0047/hand-detection/file-demo.py", line 3, in <module>
import cv2
File "/usr/local/lib/python3.9/dist-packages/cv2/__init__.py", line 5, in <module>
from .cv2 import *
ImportError: libGL.so.1: cannot open shared object file: No such file or directory
Cleaning up file based variables
ERROR: Job failed: exit code 1