(docs): Improiving the tabs component with a query string and also gr…

…ouping the tabs together. If we add another tab they'll be synced.

docs/how-to/authentication-plugin-examples.mdx

@@ -34,7 +34,7 @@ Once you have an Authentication Entity set up, follow these steps to add authent
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
 
-<Tabs>
+<Tabs groupId="frameworks" queryString="framework">
 <TabItem value="nodejs" label="Node.js" default>
 
 1. Navigate to your service's Plugins page.