FWF-4621: [Documentation] Listener readme additions

Author: auslin-aot

forms-flow-bpm/starter-examples/listeners/accessgrantnotifylistner-readme.md

@@ -29,6 +29,6 @@ Below snapshot shows how to configure the **AccessGrantNotifyListener** to a tas
 
 ![Access Grant Notify listener (excludeGroup) - Snapshot](./images/accessgrantnotify-listner-snp1.jpg)
 
-![Access Grant Notify listener (messageId) - Snapshot](./images/accessgrantnotify-listner-snp2.jpg.jpg)
+![Access Grant Notify listener (messageId) - Snapshot](./images/accessgrantnotify-listner-snp2.jpg)
 
-![Access Grant Notify listener (messageId) - Snapshot](./images/accessgrantnotify-listner-snp3.jpg.jpg)
+![Access Grant Notify listener (messageId) - Snapshot](./images/accessgrantnotify-listner-snp3.jpg)

forms-flow-bpm/starter-examples/listeners/applicationaudit-readme.md

@@ -24,6 +24,10 @@ The component is dependent on listed variables from camunda context,
 2. applicationStatus
 3. formUrl
 
+Optional camunda variables for audit visibility (UI not yet implemented)
+* color -  Status highlight
+* percentage - Progress or completion metric
+
 ### How to Use
 
 Below snapshot shows how to configure the **ApplicationAuditListener** to a task. 

forms-flow-bpm/starter-examples/listeners/applicationstate-readme.md

@@ -26,6 +26,10 @@ The component is dependent on listed variables from camunda context,
 2. applicationStatus
 3. formUrl
 
+Optional camunda variables for resubmission
+* isResubmit -  A flag indicating whether the application can be resubmitted
+* eventName -  The message name that the process is awaiting
+
 ### How to Use
 
 Below snapshot shows how to configure the **ApplicationStateListener** to a task.