Add back deleted examples

Author: berndverst

src/durabletask/azext_durabletask/aaz/latest/durabletask/retention_policy/_create.py

@@ -16,6 +16,9 @@
 )
 class Create(AAZCommand):
     """Create a Retention Policy
+
+    :example: Create a new retention policy for a scheduler with a default retention period of 30 days
+        az durabletask retention-policy create -g "example-rg" --scheduler-name "example-scheduler" --default-days 30
     """
 
     _aaz_info = {

src/durabletask/azext_durabletask/aaz/latest/durabletask/retention_policy/_delete.py

@@ -17,6 +17,9 @@
 )
 class Delete(AAZCommand):
     """Delete a Retention Policy
+
+    :example: Delete a Retention Policy on a Scheduler
+        az durabletask retention-policy delete -g "example-rg" --scheduler-name "example-scheduler"
     """
 
     _aaz_info = {