add adaptive_scaffold

mobile-v2/lib/utils/extensions/build_context.extension.dart

@@ -0,0 +1,30 @@
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+
+extension BuildContextHelper on BuildContext {
+  /// Get the current [ThemeData] used
+  ThemeData get theme => Theme.of(this);
+
+  /// Get the default [TextStyle]
+  TextStyle get defaultTextStyle => DefaultTextStyle.of(this).style;
+
+  /// Get the [Size] of [MediaQuery]
+  Size get mediaQuerySize => MediaQuery.sizeOf(this);
+
+  /// Get the [EdgeInsets] of [MediaQuery]
+  EdgeInsets get viewInsets => MediaQuery.viewInsetsOf(this);
+
+  /// True if the current device is a Tablet
+  bool get isTablet => (mediaQuerySize.width >= 600);
+
+  /// True if the current app theme is dark
+  bool get isDarkTheme => theme.brightness == Brightness.dark;
+
+  /// Navigate using the root router
+  // ignore: avoid-dynamic
+  Future<dynamic> navigateRoot(
+    PageRouteInfo route, {
+    OnNavigationFailure? onFailure,
+  }) =>
+      router.root.navigate(route, onFailure: onFailure);
+}