add commented example of the properties

Author: agaget

app/save-and-restore/app/src/main/resources/save_and_restore_preferences.properties

@@ -21,3 +21,10 @@ search_result_page_size=30
 
 # Default save-and-restore search query. Used unless a saved query is located.
 default_search_query=tags=golden
+
+# Configure the default snapshot name when "Take Snapshot"
+#default_title_snapshot_configuration=TuneList
+#default_title_snapshot_format=<date>_<pv1>_<pv2>
+#default_title_snapshot_date_format=YYYYMMHH_hhmmss
+#default_title_snapshot_pv1=SL-APP-MCS:BOM-CPU:IonSet
+#default_title_snapshot_pv2=SL-APP-MCS:BOM-CPU:BeamDestSet