updated readme version

Author: anuraghazra

readme.md

@@ -42,7 +42,7 @@ npm install && npm run build
 ## import CDN link
 ```html
 <!-- add this to head -->
-<script src="https://cdn.jsdelivr.net/gh/anuraghazra/Verly.js@v1.1.4/dist/verly.bundle.js"></script>
+<script src="https://cdn.jsdelivr.net/gh/anuraghazra/Verly.js@v1.2.0/dist/verly.bundle.js"></script>
 ```
 
 ```js