add Architecture diagram

.gitattributes

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README.md

@@ -69,3 +69,16 @@ streamlit run app.py
 * Audio errors may occur due to the way the app converts from ElevenLabs stream to WebRTC audio
 * Audio error may happen if the server is running slow
 * May hang and server needs a hard reset
+
+## Architecture
+
+![Image of the architecture](./images/ProjectCharlesCommunicationArchitecture.jpg)
+
+Key Technologies:
+
+* Ray Actors & Queues - backbone of interprocess communication
+* Streamlit - UI & WebRTC connection
+* Vosk - speech to text
+* ChatGPT - text to text
+* ElevenLabs TTS - text to speech
+* Twilio - optional faster WebRTC connection