Add User Notification SnackBar

lib/widgets/snackbars.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+
+SnackBar getSnackBar(
+  String text, {
+  bool small = true,
+}) {
+  return SnackBar(
+    width: small ? 300 : 500,
+    behavior: SnackBarBehavior.floating,
+    content: Text(
+      text,
+      softWrap: true,
+      textAlign: TextAlign.center,
+    ),
+    showCloseIcon: true,
+  );
+}

lib/widgets/widgets.dart

@@ -14,3 +14,4 @@ export 'cards.dart';
 export 'intro_message.dart';
 export 'request_widgets.dart';
 export 'response_widgets.dart';
+export 'snackbars.dart';