chore(README): modify some badges
# NanoMQ
-[![GitHub Release](https://img.shields.io/github/release/nanomq/nanomq?color=brightgreen)](https://github.com/nanomq/nanomq/releases)
-[![Docker Pulls](https://img.shields.io/docker/pulls/nanomq/nanomq)](https://hub.docker.com/r/nanomq/nanomq)
+[![GitHub Release](https://img.shields.io/github/release/nanomq/nanomq?color=brightgreen&label=Release)](https://github.com/nanomq/nanomq/releases)
+[![Build Status](https://img.shields.io/github/workflow/status/nanomq/nanomq/Build%20packages?label=Build)](https://github.com/nanomq/nanomq/actions)
+[![Docker Pulls](https://img.shields.io/docker/pulls/nanomq/nanomq?label=Docker%20Pulls)](https://hub.docker.com/r/nanomq/nanomq)
+[![Discord](https://img.shields.io/discord/931086341838622751?label=Discord&logo=discord)](https://discord.gg/xYGf3fQnES)
[![Twitter](https://img.shields.io/badge/Follow-EMQ-1DA1F2?logo=twitter)](https://twitter.com/EMQTech)
[![YouTube](https://img.shields.io/badge/Subscribe-EMQ-FF0000?logo=youtube)](https://www.youtube.com/channel/UC5FjR77ErAxvZENEWzQaO5Q)
[![Community](https://img.shields.io/badge/Community-NanoMQ-yellow?logo=github)](https://github.com/nanomq/nanomq/discussions)
[![License](https://img.shields.io/github/license/nanomq/nanomq.svg?logoColor=silver&logo=open-source-initiative&label=&color=blue)](https://github.com/nanomq/nanomq/blob/master/LICENSE.txt)
-[![Workflows](https://github.com/nanomq/nanomq/actions/workflows/build_packages.yaml/badge.svg)](https://github.com/nanomq/nanomq/actions)
[![The best IoT MQTT open source team looks forward to your joining](https://static.emqx.net/images/github_readme_en_bg.png)](https://www.emqx.com/en/careers)NanoMQ MQTT Broker (NanoMQ) is a lightweight and blazing-fast MQTT Broker for the IoT Edge platform.
