Use experimental tag in badge

Author: nojaf

README.md

@@ -1,4 +1,4 @@
-[![NPM Version](https://img.shields.io/npm/v/%40rescript%2Fwebapi)](https://www.npmjs.com/package/@rescript/webapi)
+[![NPM Version](https://img.shields.io/npm/v/@rescript/webapi/experimental)](https://www.npmjs.com/package/@rescript/webapi)
 
 # experimental-rescript-webapi
 

docs/content/docs/index.mdx

@@ -5,7 +5,7 @@ description: Learn more about @rescript/webapi.
 
 import { Tabs, TabItem, Code } from "@astrojs/starlight/components";
 
-[![NPM Version](https://img.shields.io/npm/v/%40rescript%2Fwebapi)](https://www.npmjs.com/package/@rescript/webapi)
+[![NPM Version](https://img.shields.io/npm/v/@rescript/webapi/experimental)](https://www.npmjs.com/package/@rescript/webapi)
 
 ## Installation