Update - Settings.json is updated with the extended child resource flag (#99)

* Added setting for ExtendedChildResourcesDiscovery

* Changed default ExtendedChildResourcesDiscovery

* Changed setting name to SkipChildResource

settings.json

@@ -24,6 +24,7 @@
             "Core.PartialMgDiscoveryRoot": [],
             "Core.SkipPolicy": false,
             "Core.SkipResource": true,
+            "Core.SkipChildResource": true,
             "Core.SkipResourceGroup": false,
             "Core.SkipResourceType": [
                 "microsoft.alertsmanagement/smartDetectorAlertRules",