Migrate away from helpers package

pubspec.yaml

@@ -37,16 +37,16 @@ dependencies:
   cupertino_icons: ^1.0.2
   dio: ^5.2.1+1
   flutter_riverpod: ^2.1.3
-  helpers:
-    git:
-      url: https://github.com/mitch2na/helpers.git
-      ref: main
-  uuid: ^3.0.7
+  # helpers:
+  #   git:
+  #     url: https://github.com/mitch2na/helpers.git
+  #     ref: main
+  # uuid: ^3.0.7
   json_annotation: ^4.8.0
   shared_preferences: ^2.1.2
-  intl: ^0.18.1
-  markdown_widget: ^2.2.0
-  custom_refresh_indicator: ^2.2.1
+  intl: ^0.19.0
+  # markdown_widget: ^2.2.0
+  custom_refresh_indicator: ^4.0.1
   jwt_decoder: ^2.0.1
   animated_splash_screen: ^1.3.0
 
@@ -56,7 +56,7 @@ dev_dependencies:
 
   build_runner: ^2.3.3
   json_serializable: ^6.6.0
-  flutter_lints: ^2.0.0
+  flutter_lints: ^4.0.0
   icons_launcher: ^2.1.3
 
 # For information on the generic Dart part of this file, see the