Add realtime video analysis and chat with token IDs scenarios

[jianbing119]

Add new scenarios for AI traffic testbed

1. Realtime video analysis scenario

• realtime video scenario implemented
• vlm (Liquid model) implemented in aiortc lib
• vlm webrtc server and vlm webrtc client implemented

2. Chat with token ID scenario

• chat token scenario implemented
• chat token client implemented (openAI compatible API)

Please also see README_new.md

[jordijoangimenez]

Hello @jianbing119, when you have a moment please add a file called ATTRIBUTION_NOTICE in the root directory with the following content:

This software contains dependencies with the following open-source projects:

- aiortc - library for WebRTC and ORTC in Python
  available at https://github.com/aiortc/aiortc
  Licensed under BSD 3-Clause "New" or "Revised" License (https://github.com/aiortc/aiortc/blob/main/LICENSE)

- Liquid model
  available at https://github.com/FoundationVision/Liquid
  Licensed under MIT License (https://github.com/FoundationVision/Liquid/blob/main/LICENSE)

- StreamingBench
  available at https://github.com/THUNLP-MT/StreamingBench/
  Licensed under MIT License (https://github.com/THUNLP-MT/StreamingBench/blob/main/LICENSE)

Just giving you an example from another repo which contains dependencies: https://github.com/5G-MAG/rt-5gms-application-function/tree/main

[jordijoangimenez]

First round of checks just to ensure build. Thank you @jianbing119 !