chore: import upstream snapshot with attribution

examples/write_design.py

@@ -0,0 +1,24 @@
+import asyncio
+
+from metagpt.environment.mgx.mgx_env import MGXEnv
+from metagpt.logs import logger
+from metagpt.roles.architect import Architect
+from metagpt.roles.di.team_leader import TeamLeader
+from metagpt.schema import Message
+
+
+async def main():
+    msg = "Write a TRD for a snake game"
+    env = MGXEnv()
+    env.add_roles([TeamLeader(), Architect()])
+    env.publish_message(Message(content=msg, role="user"))
+    tl = env.get_role("Mike")
+    await tl.run()
+
+    role = env.get_role("Bob")
+    result = await role.run(msg)
+    logger.info(result)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())