Add Docker support: Dockerfile, docker-compose.yaml, and README updates

docker-compose.yaml

@@ -0,0 +1,18 @@
+services:
+  laodingbot:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: laodingbot:latest
+    container_name: laodingbot
+    restart: unless-stopped
+    ports:
+      - "8090:8090"
+    env_file:
+      - ./workspace/agent_runtime/configs/env
+    environment:
+      MESSAGE_CHANNEL: webui
+      WEBUI_LISTEN_ADDR: ":8090"
+      AGENT_WORKSPACE_DIR: /app/workspace/agent_runtime
+    volumes:
+      - ./workspace/agent_runtime:/app/workspace/agent_runtime