Add images for Lighthouse insights and Grafana alerts

docs/getting-started/using-the-catalog.md

@@ -26,6 +26,8 @@ Once your component is added to the catalog, you may want to add optional featur
 
 ### Lighthouse Insights
 
+![Lighthouse insights](../assets/lighthouse.png)
+
 Your application can opt in to being scanned by Lighthouse, an open-source,
 automated tool for improving the quality of web pages. Lighthouse has audits
 for performance, accessibility, progressive web apps, SEO, and more.
@@ -44,8 +46,12 @@ metadata:
 This will enable scanning of the website periodically. It should show up in the
 lighthouse module withing 24 hours.
 
+![Lighthouse history of scanning](../assets/lighthouse-2.png)
+
 ### Grafana alerts and dashboards
 
+![Grafana Alerts](../assets/grafana-alerts.png)
+
 A component will often have Grafana monitoring and dashboards, and you can
 reference these in your detail view. 
 
@@ -64,6 +70,11 @@ For details on how to write a dashboard selector see [this page](https://github.
 
 ### Kubernetes
 
+If your application is running on Kubernetes, you can add a label selector to
+your component to make the component show data from Kubernetes. Today this will
+show the number of pods and their status on the cluster, along with some metrics
+like CPU and memory usage.
+
 Adding this will enable us to add more features in the future that show data of
 your app on Kubernetes, for example showing exposed endpoints on your Skiperator
 Application manifest.