docs: update presets.mdx (#2432)

Author: eltociear

apps/website-new/docs/en/practice/frameworks/next/presets.mdx

@@ -109,7 +109,7 @@ new NextFederationPlugin({
 });
 ```
 
-This will make pages avaliable to import like:
+This will make pages available to import like:
 
 - `import Page from 'remoteApp/pages/index'`
 - `import Page from 'remoteApp/pages/shop/product'`