Adds screenshot

Author: DMallare

docs/source/images/router/cloud-router-config.jpg

@@ -30,7 +30,11 @@ Export your cloud router configuration using one of the following methods:
 
 In Studio, navigate to your graph's **Cloud Router** page and click the **Router configuration YAML** tab to download the configuration.
 
-[TODO SCREENSHOT]
+<img
+  className="screenshot"
+  alt="Cloud Router configuration in GraphOS Studio"
+  src="../../images/router/cloud-router-config.jpg"
+/>
 
 If you can't access the Cloud Router page (for example, if you have already changed your graph's hosting mode), use the Rover CLI to export the configuration.