Add OkCancelDialog widget

lib/widgets/dialog_ok_cancel.dart

@@ -0,0 +1,47 @@
+import 'package:apidash/consts.dart';
+import 'package:apidash_design_system/apidash_design_system.dart';
+import 'package:flutter/material.dart';
+
+showOkCancelDialog(
+  BuildContext context, {
+  String? dialogTitle,
+  String? content,
+  String? buttonLabelOk,
+  VoidCallback? onClickOk,
+  String? buttonLabelCancel,
+  VoidCallback? onClickCancel,
+}) {
+  showDialog(
+      context: context,
+      builder: (context) {
+        return AlertDialog(
+          title: Text(dialogTitle ?? ""),
+          titleTextStyle: Theme.of(context).textTheme.titleLarge,
+          content: Container(
+            padding: kPt20,
+            width: 300,
+            child: Text(content ?? ""),
+          ),
+          actions: <Widget>[
+            TextButton(
+              onPressed: () {
+                onClickCancel?.call();
+                if (context.mounted) {
+                  Navigator.pop(context);
+                }
+              },
+              child: Text(buttonLabelCancel ?? kLabelCancel),
+            ),
+            TextButton(
+              onPressed: () {
+                onClickOk?.call();
+                if (context.mounted) {
+                  Navigator.pop(context);
+                }
+              },
+              child: Text(buttonLabelOk ?? kLabelOk),
+            ),
+          ],
+        );
+      });
+}

lib/widgets/widgets.dart

@@ -16,6 +16,7 @@ export 'codegen_previewer.dart';
 export 'dialog_about.dart';
 export 'dialog_history_retention.dart';
 export 'dialog_import.dart';
+export 'dialog_ok_cancel.dart';
 export 'dialog_rename.dart';
 export 'dialog_text.dart';
 export 'drag_and_drop_area.dart';