README update with NPM package icon

Author: sanmak

README.md

@@ -1,6 +1,9 @@
 # json-to-kotlin-class
 
-<!-- PROJECT LOGO -->
+<p align="center">
+  <a href="https://nodei.co/npm/json-to-kotlin-class/" target="_blank"><img src="https://nodei.co/npm/json-to-kotlin-class.png"></a>
+</p>
+
 <br />
 <p align="center">
 
@@ -172,4 +175,4 @@ SANKET MAKHIJA - [@sanket_dude](https://twitter.com/sanket_dude) - sanket[dot]ma
 
 Consider sponsoring this package and help open source community and contributions.
 
- <a href="https://ko-fi.com/E1E72C2MM" target="_blank"> <img style={kofiStyle} src="https://cdn.ko-fi.com/cdn/kofi1.png?v=2"></img> </a>
+ <a href="https://ko-fi.com/E1E72C2MM" target="_blank"> <img style={kofiStyle} src="https://cdn.ko-fi.com/cdn/kofi1.png?v=2"></img> </a>