Add padding widget

lib/controls/padding.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+class VerticalPadding extends StatelessWidget {
+  static const defaultHeight = 20.0;
+  final double height;
+
+  const VerticalPadding({super.key, this.height = defaultHeight});
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      height: height,
+    );
+  }
+}
+
+class HorizontalPadding extends StatelessWidget {
+  static const defaultWidth = 10.0;
+  final double width;
+
+  const HorizontalPadding({super.key, this.width = defaultWidth});
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      width: width,
+    );
+  }
+}