Update README.md

README.md

@@ -611,6 +611,7 @@ additional ordered map implementations.
 - [dict](https://github.com/srfrog/dict) - Python-like dictionaries (dict) for Go.
 - [go-shelve](https://github.com/lucmq/go-shelve) - A persistent, map-like object for the Go programming language. Supports multiple embedded key-value stores.
 - [goradd/maps](https://github.com/goradd/maps) - Go 1.18+ generic map interface for maps; safe maps; ordered maps; ordered, safe maps; etc.
+- [hmap](https://github.com/lyonnee/hmap) - HMap is a concurrent and secure, generic support Map implementation designed to provide an easy-to-use API.
 
 ### Miscellaneous Data Structures and Algorithms