feat(video): monitoring video

content/docs/15.how-to-guides/monitoring.md

@@ -9,7 +9,11 @@ topics:
 
 Set up Prometheus and Grafana for monitoring Kestra.
 
-We will look in detail at setting up monitoring dashboards for Kestra.
+<div class="video-container">
+  <iframe src="https://www.youtube.com/embed/4borr5sFTSg?si=q1z9mqLXI8arG0a5" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+</div>
+
+---
 
 Kestra exposes [Prometheus](https://prometheus.io/) metrics at port 8081 on the endpoint `/prometheus`. This endpoint can be used by any compatible monitoring system.