Add npm downloads to README.md

Author: desko27

README.md

@@ -1,7 +1,8 @@
 <div align="center">
   <h2>
-    ⚛️ 📡 react-call
-    <sup><a href="https://react-call.desko.dev">demo</a></sup>
+    ⚛️ 📡 <a href="https://react-call.desko.dev">react-call</a>
+    <!--<a href="https://www.npmjs.com/package/react-call"><img src="https://img.shields.io/npm/dw/react-call" alt="NPM Downloads"></a>-->
+    <a href="https://www.npmjs.com/package/react-call"><img src="https://img.shields.io/npm/dw/react-call?style=flat&label=npm&color=blue" alt="NPM Downloads"></a>
   </h2>
   ✓ Lightweight ✓ No deps ✓ SSR ✓ React Native
 </div>