Add npm badge

Author: auxten

Diff for: README.md

@@ -1,11 +1,13 @@
 <img src="https://avatars.githubusercontent.com/u/132536224" width=130 />
 
 [![chDB-node](https://github.com/chdb-io/chdb-node/actions/workflows/chdb-node-test.yml/badge.svg)](https://github.com/chdb-io/chdb-node/actions/workflows/chdb-node-test.yml)
+[![npm version](https://badge.fury.io/js/chdb.svg)](https://badge.fury.io/js/chdb)
 
 # chdb-node
-[chDB](https://github.com/chdb-io/chdb) nodejs bindings for fun and hacking.
+[chDB](https://github.com/chdb-io/chdb) nodejs bindings.
 
 ### Install
+
 ```bash
 npm i chdb
 ```