README for submitting an issue

[shiyu22]

• If you met issues when deploying your system, please check the FAQ first, which can solve most of your problems.

• If you are running the notebook and have problems, please submit an issue to the corresponding towhee/examples project.

• If you have any feature requests, you may want to learn about the Towhee first, which provides a lot of Operator to handle unstructured data, as well as Pipeline to implementation. If you have other requirements, you can submit an issue to towhee.