Add matplotlib to requirements.txt

Add HF config to README

Set iceTransportPolicy: 'relay' on the top page and the object detection app

Stop pinning the Streamlit version

Fix all the demos to use Twilio STUN/TURN servers

Fix the object detection demo to use Twilio TURN server

Fix the object detection demo to use Open Relay TURN server

Merge pull request #209 from whitphx/dependabot/pip/streamlit-webrtc-0.44.7

Bump streamlit-webrtc from 0.44.6 to 0.44.7

Merge pull request #207 from whitphx/dependabot/pip/opencv-python-headless-4.7.0.72

Bump opencv-python-headless from 4.5.5.64 to 4.7.0.72

Fix path

Update streamlit==1.19.0 and object detection demo

Update app.py

Upgrade packages

Update README.md

Merge pull request #198 from whitphx/dependabot/pip/aiortc-1.4.0

Bump aiortc from 1.3.2 to 1.4.0

Merge pull request #191 from whitphx/dependabot/pip/streamlit-1.16.0

Bump streamlit from 1.14.0 to 1.16.0

Merge pull request #195 from whitphx/dependabot/pip/streamlit-webrtc-0.44.2

Bump streamlit-webrtc from 0.44.0 to 0.44.2

Merge pull request #180 from whitphx/multipage2

Multipage

Merge pull request #181 from whitphx/dev/remove-heroku

Remove Heroku deployment

Merge pull request #175 from whitphx/dependabot/pip/streamlit-webrtc-0.44.0

Bump streamlit-webrtc from 0.43.0 to 0.44.0

Merge pull request #178 from whitphx/dependabot/pip/streamlit-1.14.0

Bump streamlit from 1.11.1 to 1.14.0

Update README.md

Delete FUNDING.yml as the user-wide one exists.

Merge pull request #158 from whitphx/dependabot/pip/streamlit-webrtc-0.43.0

Bump streamlit-webrtc from 0.42.0 to 0.43.0

Merge pull request #153 from whitphx/dependabot/pip/streamlit-1.11.1

Bump streamlit from 1.10.0 to 1.11.1

Merge pull request #140 from whitphx/dependabot/pip/streamlit-1.10.0

Bump streamlit from 1.9.0 to 1.10.0

Merge pull request #148 from whitphx/dependabot/pip/streamlit-webrtc-0.42.0

Bump streamlit-webrtc from 0.41.0 to 0.42.0

Merge pull request #146 from whitphx/dependabot/pip/streamlit-webrtc-0.41.0

Bump streamlit-webrtc from 0.40.0 to 0.41.0

Fix to use session_state as a session_specific cache

Upgrade streamlit-webrtc to 0.40.0 and update app.py to use class-less callbacks

Specify protobuf version

Merge pull request #128 from whitphx/dependabot/pip/aiortc-1.3.2

Merge pull request #132 from whitphx/dependabot/pip/streamlit-1.9.0

Bump streamlit from 1.8.1 to 1.9.0

Merge pull request #133 from whitphx/dependabot/pip/streamlit-webrtc-0.37.0

Bump streamlit-webrtc from 0.36.1 to 0.37.0