feat: filters added to home page

lib/core/utils/app_utils.dart

@@ -1,6 +1,8 @@
 import '../../food_delivery_client.dart';
 
 abstract class AppUtils {
+  static const SizedBox kSizedBox = SizedBox.shrink();
+
   static const Radius kRadius = Radius.zero;
   static const Radius kRadius8 = Radius.circular(8);
   static const Radius kRadius12 = Radius.circular(12);
@@ -79,6 +81,10 @@ abstract class AppUtils {
   static const BorderRadius kBorderRadius40 = BorderRadius.all(
     Radius.circular(40),
   );
+  static const BorderRadius kBorderRadiusTop20 = BorderRadius.only(
+    topLeft: kRadius20,
+    topRight: kRadius20,
+  );
   static const BorderRadius kBorderRadiusTop20Bottom20 = BorderRadius.only(
     bottomRight: kRadius20,
     topRight: kRadius20,