add mizu (#4048)

README.md

@@ -2832,6 +2832,7 @@ _Software written in Go._
 - [lstags](https://github.com/ivanilves/lstags) - Tool and API to sync Docker images across different registries.
 - [lwc](https://github.com/timdp/lwc) - A live-updating version of the UNIX wc command.
 - [manssh](https://github.com/xwjdsh/manssh) - manssh is a command line tool for managing your ssh alias config easily.
+- [Mizu](https://github.com/up9inc/mizu) - API traffic viewer for Kubernetes enabling you to view all API communication between microservices, multiprotocol support: HTTP1.1, HTTP/2, AMQP, Kafka, Redis.
 - [Moby](https://github.com/moby/moby) - Collaborative project for the container ecosystem to assemble container-based systems.
 - [Mora](https://github.com/emicklei/mora) - REST server for accessing MongoDB documents and meta data.
 - [ostent](https://github.com/ostrost/ostent) - collects and displays system metrics and optionally relays to Graphite and/or InfluxDB.