Add treemux

Author: vmihailenco

README.md

@@ -152,6 +152,7 @@ res, err := rdb.Do(ctx, "set", "key", "value").Result()
 
 ## See also
 
+- [Fast and flexible HTTP router](https://github.com/vmihailenco/treemux)
 - [Golang PostgreSQL ORM](https://github.com/go-pg/pg)
 - [Golang msgpack](https://github.com/vmihailenco/msgpack)
 - [Golang message task queue](https://github.com/vmihailenco/taskq)