Add CLI, Docker setup, and quick start guide

- CLI tool for testing (cli.py)
- Docker Compose for easy deployment
- Dockerfile for backend
- QUICKSTART.md with setup instructions

Ready to deploy! Run: python cli.py or docker-compose up

docker-compose.yml

@@ -0,0 +1,27 @@
+version: '3.8'
+
+services:
+  grimlock-backend:
+    build:
+      context: ./backend
+      dockerfile: ../docker/Dockerfile.backend
+    container_name: grimlock-backend
+    ports:
+      - "8000:8000"
+    environment:
+      - ANTHROPIC_API_KEY=${ANTHROPIC_API_KEY}
+      - HOST=0.0.0.0
+      - PORT=8000
+      - DEBUG=true
+      - CONTEXT_PATH=/app/context
+      - AI_MODEL=claude-sonnet-4-5-20250514
+      - LOG_LEVEL=INFO
+    volumes:
+      - ./backend/context:/app/context:ro
+      - ./backend:/app:ro
+    restart: unless-stopped
+    command: uvicorn main:app --host 0.0.0.0 --port 8000 --reload
+
+networks:
+  default:
+    name: grimlock-network