chore: add JVM dashboard link to doc (#881)

data/docs/tutorial/jvm-metrics.mdx

@@ -84,7 +84,13 @@ You can read more on how to expose Prometheus metric from <a href = "https://doc
    sudo docker compose -f docker-compose.yaml restart otel-collector
    ```
 
-3. **Go to SigNoz dashboard and plot metrics you want**
+3. **Import SigNoz JVM dashboard**
+
+    Download the [JVM dashboard JSON](https://github.com/SigNoz/dashboards/tree/main/jvm) and import it in SigNoz. 
+
+    To import the dashboard, go to the `Dashboards` in your SigNoz tenant and click on the `New Dashboard` button. Then click on `Import JSON` and select the JSON file or paste the JSON in the text box.
+
+4. **(Optional) Plot metrics you want in a custom dashboard**
 
    [Creating metrics dashboard in SigNoz](https://signoz.io/docs/userguide/dashboards/)