add a shit ton of feature for the custom srs

lib/main.dart

@@ -1,10 +1,12 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'src/services/deck_repository.dart';
 import 'src/screens/start_screen.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  await dotenv.load(fileName: ".env");
 
   runApp(
     Provider<DeckRepository>(