This passage should be added to shifu.run

[Yang-Xijie]

https://github.com/Edgenesis/shifu/blob/c6cd5225298b076f9a21185a612134be76a5db29/docs/guide/quick-start-socket-deviceshifu.md

[Yang-Xijie]

This should be added at guides/cases/connect-socket.md.