docs: Migrate chat to zulip
[![codecov](https://codecov.io/gh/Xuanwo/storage/branch/master/graph/badge.svg)](https://codecov.io/gh/Xuanwo/storage)
[![License](https://img.shields.io/badge/license-apache%20v2-blue.svg)](https://github.com/Xuanwo/storage/blob/master/LICENSE)
[![Codacy Badge](https://api.codacy.com/project/badge/Grade/15867a455afc4f24a763a5ed1011e05a)](https://app.codacy.com/manual/Xuanwo/storage?utm_source=github.com&utm_medium=referral&utm_content=Xuanwo/storage&utm_campaign=Badge_Grade_Settings)
-[![Join the chat](https://img.shields.io/badge/chat-online-blue?style=flat&logo=telegram)](https://t.me/storage_dev)
+[![Join the chat](https://img.shields.io/badge/chat-online-blue?style=flat&logo=zulip)](https://aos-dev.zulipchat.com/join/c3sqj64sp53tlau7oojg3yll/)
An application-oriented unified storage layer for Golang.
