added my shell script I use to set webcam settings and run the app

facetracking.sh

@@ -0,0 +1,20 @@
+v4l2-ctl -c zoom_absolute=500   #zoom in
+v4l2-ctl -c auto_exposure=3     #turn auto-exposure on
+v4l2-ctl -c exposure_dynamic_framerate=0    #this option is required for 30 fps
+v4l2-ctl -c sharpness=0
+v4l2-ctl -c gain=0
+v4l2-ctl -c contrast=128    #default value
+v4l2-ctl -c brightness=128 #default value
+v4l2-ctl -c focus_automatic_continuous=0 #auto-focus seemed to cause issues in low light
+v4l2-ctl -c focus_absolute=0
+v4l2-ctl -c power_line_frequency=0
+
+
+
+#make sure the python virtual environment is created and activated
+python3 -m venv .venv
+source .venv/bin/activate
+
+#the openseeface command
+python3 facetracker.py  --fps 30 --ip 127.0.0.1 --port 11573 --model 3  -W 640 -H 480 #--preview 1
+