Put examples in separate directories

Author: fredyshox

examples/face_detection/README.md

@@ -0,0 +1,10 @@
+## Face detection demo
+
+Run simple face detection model on video stream from driver camera of comma three.
+
+This example streams video frames, runs face-detection model and displays window with live detection results (bounding boxes).
+
+```sh
+# pass the ip address of comma three, if running remotely (by default localhost)
+python3 face_detection.py [comma-ip-address]
+```

examples/face_detection.py renamed to examples/face_detection/face_detection.py

@@ -0,0 +1 @@
+# VideoStream CLI

examples/videostream_cli/README.md

@@ -85,10 +85,10 @@ async def run_offer(args):
   parser = argparse.ArgumentParser()
   subparsers = parser.add_subparsers(dest="command", required=True)
 
-  offer_parser = subparsers.add_parser("offer")
+  offer_parser = subparsers.add_parser("offer", description="Create offer stream")
   offer_parser.add_argument("cameras", metavar="CAMERA", type=str, nargs="+", default=["driver"], help="Camera types to stream")
 
-  answer_parser = subparsers.add_parser("answer")
+  answer_parser = subparsers.add_parser("answer", description="Create answer stream")
   answer_parser.add_argument("--input-video", type=str, required=False, help="Stream from video file instead")
 
   args = parser.parse_args()