Add Docker infrastructure and Python project setup

- Add Python 3.12 version specification
- Add Docker Compose configuration for Caddy, Redis, LiveKit server, and LiveKit ingress
- Add Caddyfile with reverse proxy configuration for lk.makyd.cloud and whip.makyd.cloud
- Add LiveKit server configuration with RTC ports and WHIP ingress settings
- Add LiveKit ingress configuration with Redis connection and API credentials
- Add pyproject.toml with FastAPI, LiveKit API, Pydantic, and Uvicorn dependencies
- Add main

main.py

@@ -0,0 +1,6 @@
+def main():
+    print("Hello from pi-feed-server!")
+
+
+if __name__ == "__main__":
+    main()