Implemented sign up and otp screens

pubspec.yaml

@@ -4,7 +4,7 @@ description: This is the mobile application project, developed with Flutter for
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
-version: 1.0.0+1
+version: 1.0.1+2
 
 environment:
   sdk: ">=3.0.6 <4.0.0"
@@ -40,6 +40,7 @@ dependencies:
   equatable: ^2.0.5
   onesignal_flutter: ^5.2.0
   permission_handler: ^11.3.1
+  pin_code_fields: ^8.0.1
 
 dev_dependencies:
   flutter_test: