fix: add link to Aspire dashboard in OpenTelemetry section

Author: IEvangelist

src/frontend/src/content/docs/index.mdx

@@ -101,7 +101,7 @@ Use Aspire's CLI to spin everything up locally or create deployment artifacts du
 
 ## OpenTelemetry developer dashboard
 
-**Monitor logs, metrics, and traces** in real time with the ready-to-use OpenTelemetry dashboard, integrated directly into your workflow.
+**Monitor logs, metrics, and traces** in real time with the ready-to-use OpenTelemetry dashboard, integrated directly into your workflow. [Explore the Aspire dashboard](/dashboard/overview/).
 
 <LoopingVideo
   aria-label="Aspire dashboard video demonstrating real-time interaction of resources."