Update README.md

Fix start.sh: use SQL files with single-quoted heredoc to prevent $$ shell expansion

Fix: pin python:3.11-slim-bookworm to avoid trixie/pgdg dependency conflict

Fix Docker build: use prebuilt postgresql-17-pgvector from official APT repo

Add RAG module: PostgreSQL + pgvector in same container

Update README.md

Deploy Triple-R Checker: FastAPI + Angular frontend

initial commit