fix: Add toast service to simplify creation of toasts

lib/services/toast.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_i18n/flutter_i18n.dart';
+import 'package:fluttertoast/fluttertoast.dart' as t;
+
+class Toast {
+  final t.FToast _fToast = t.FToast();
+  late BuildContext buildContext;
+
+  void initialize(BuildContext context) {
+    _fToast.init(context);
+  }
+
+  void show(String text) {
+    t.Fluttertoast.showToast(
+      msg: FlutterI18n.translate(
+        _fToast.context!,
+        text,
+      ),
+      toastLength: t.Toast.LENGTH_LONG,
+      gravity: t.ToastGravity.CENTER,
+    );
+  }
+}