feat: add custom los icon

lib/icons/los_icon.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class LosIcon extends StatelessWidget {
+  final double size;
+  final Color? color;
+
+  const LosIcon({super.key, this.size = 24, this.color});
+
+  @override
+  Widget build(BuildContext context) {
+    final iconColor = color ?? IconTheme.of(context).color ?? Colors.black;
+    return SvgPicture.string(
+      _losSvg,
+      width: size,
+      height: size,
+      colorFilter: ColorFilter.mode(iconColor, BlendMode.srcIn),
+    );
+  }
+}
+
+const String _losSvg = '''
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 -960 960 960" fill="currentColor">
+  <path d="m82-120 258-360h202l298-348v708H82Zm70-233-64-46 172-241h202l188-219 60 52-212 247H300L152-353Zm86 153h522v-412L578-400H380L238-200Zm522 0Z"/>
+</svg>
+''';