INFRA: Set Up Project.

lib/widget/my_separator.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+
+class MySeparator extends StatelessWidget {
+  const MySeparator({super.key, this.height = 1, this.color = Colors.black});
+
+  final double height;
+  final Color color;
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(
+      builder: (BuildContext context, BoxConstraints constraints) {
+        final boxWidth = constraints.constrainWidth();
+        const dashWidth = 5.0;
+        final dashHeight = height;
+        final dashCount = (boxWidth / (2 * dashWidth)).floor();
+        return Flex(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          direction: Axis.horizontal,
+          children: List.generate(dashCount, (_) {
+            return SizedBox(
+              width: dashWidth,
+              height: dashHeight,
+              child: DecoratedBox(
+                decoration: BoxDecoration(color: color),
+              ),
+            );
+          }),
+        );
+      },
+    );
+  }
+}