docs(agentkit): update link format to open in new tab

Author: AkshayParihar33

src/content/docs/agentkit/tools/scalekit-optimized-tools.mdx

@@ -52,7 +52,7 @@ for (const tool of tools) {
   </TabItem>
 </Tabs>
 
-To explore tools interactively, use the playground at [**Scalekit Dashboard**](https://app.scalekit.com) **> Agent Auth > Playground**.
+To explore tools interactively, use the playground at <a href="https://app.scalekit.com" target="_blank" rel="noopener"><strong>Scalekit Dashboard</strong></a> **> Agent Auth > Playground**.
 
 ## Execute a tool