api calls: LIVEKIT_URL,
LIVEKIT_API_KEY,
LIVEKIT_API_SECRET,
GEMINI_API_KEY,
CARTESIA_API_KEY,
DEEPGRAM_API_KEY, ELEVEN_API_KEY

starting steps:

1. activate venv: for mac- source venv/bin/activate
2. pip install -r requirements.txt
3. export ELEVEN_API_KEY=
4. export GOOGLE_API_KEY=
5. python agent.py download-files
6. python agent.py console