Improved snackbars

lib/utils/snackbar.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+void showSnackbar({
+  required GlobalKey<ScaffoldMessengerState> key,
+  required String label,
+  required Color color,
+  Color? labelColor,
+}) {
+  final snackBar = SnackBar(
+    content: Text(
+      label,
+      style: TextStyle(color: labelColor ?? Colors.white),
+    ),
+    backgroundColor: color,
+  );
+  key.currentState?.showSnackBar(snackBar);
+}