Fixed title text and icon and added toast

pubspec.yaml

@@ -24,6 +24,8 @@ dependencies:
   http: ^1.5.0
   intl: ^0.20.2
   country_flags: ^3.3.0
+  flutter_launcher_icons: ^0.14.4
+  toastification: ^3.0.3
 
 dev_dependencies:
   flutter_test:
@@ -34,6 +36,10 @@ dev_dependencies:
   go_router_builder: ^3.0.0
   json_serializable: ^6.7.1
 
+flutter_launcher_icons:
+  android: true
+  ios: true
+  image_path: "assets/pngs/app_logo.png"
 
 
 flutter: