added closeApp action

modules/ensemble/lib/action/action_invokable.dart

@@ -40,6 +40,7 @@ abstract class ActionInvokable with Invokable {
       ActionType.closeAllDialogs,
       ActionType.executeActionGroup,
       ActionType.controlDeviceBackNavigation,
+      ActionType.closeApp,
     ]);
   }
 

modules/ensemble/lib/action/close_app.dart

@@ -0,0 +1,27 @@
+import 'package:ensemble/framework/action.dart';
+import 'package:ensemble/framework/scope.dart';
+import 'package:ensemble/util/utils.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:ensemble_ts_interpreter/invokables/invokable.dart';
+
+class CloseAppAction extends EnsembleAction {
+  CloseAppAction({
+    super.initiator,
+  });
+
+  factory CloseAppAction.from({Invokable? initiator, Map? payload}) {
+    return CloseAppAction(
+      initiator: initiator,
+    );
+  }
+
+  factory CloseAppAction.fromMap(dynamic inputs, {Map? payload}) =>
+      CloseAppAction.from(payload: Utils.getYamlMap(inputs));
+
+  @override
+  Future execute(BuildContext context, ScopeManager scopeManager) {
+    SystemNavigator.pop();
+    return Future.value(null);
+  }
+}

modules/ensemble/lib/framework/action.dart

@@ -22,6 +22,7 @@ import 'package:ensemble/action/phone_contact_action.dart';
 import 'package:ensemble/action/sign_in_out_action.dart';
 import 'package:ensemble/action/toast_actions.dart';
 import 'package:ensemble/action/disable_hardware_navigation.dart';
+import 'package:ensemble/action/close_app.dart';
 import 'package:ensemble/ensemble.dart';
 import 'package:ensemble/framework/data_context.dart';
 import 'package:ensemble/framework/error_handling.dart';
@@ -1055,7 +1056,8 @@ enum ActionType {
   bluetoothDisconnect,
   bluetoothSubscribeCharacteristic,
   bluetoothUnsubscribeCharacteristic,
-  controlDeviceBackNavigation
+  controlDeviceBackNavigation,
+  closeApp
 }
 
 /// payload representing an Action to do (navigateToScreen, InvokeAPI, ..)
@@ -1181,6 +1183,8 @@ abstract class EnsembleAction {
       return RateAppAction.from(payload: payload);
     } else if (actionType == ActionType.getDeviceToken) {
       return GetDeviceTokenAction.fromMap(payload: payload);
+    } else if (actionType == ActionType.closeApp) {
+      return CloseAppAction();
     } else if (actionType == ActionType.openPlaidLink) {
       return PlaidLinkAction.fromYaml(initiator: initiator, payload: payload);
     } else if (actionType == ActionType.openAppSettings) {