add sample image

Author: denrase

includes/dart-integrations/firebase-remote-config.mdx

@@ -66,5 +66,6 @@ Update a boolean [Firebase Remote Config](https://firebase.google.com/docs/remot
 
 To view the recorded feature flag evaluation, log into [sentry.io](https://sentry.io) and open your project.
 
-The recorded feature flag evaluations will be visible in the event context.
+Flag evaluations will appear in the "Feature Flag" section of Issue Details page as a table, with "suspect" flag predictions highlighted in yellow.
 
+![Flag Change Suspect](./img/SuspectFlag.png)