Update pubspec.yaml

pubspec.lock

@@ -95,6 +95,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
+  page_transition:
+    dependency: "direct main"
+    description:
+      name: page_transition
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   path:
     dependency: transitive
     description:

pubspec.yaml

@@ -3,7 +3,7 @@ description: A new Flutter project.
 
 # The following line prevents the package from being accidentally published to
 # 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
+publish_to: "none" # Remove this line if you wish to publish to pub.dev
 
 # The following defines the version and build number for your application.
 # A version number is three numbers separated by dots, like 1.2.43
@@ -27,31 +27,25 @@ environment:
 # the latest version available on pub.dev. To see which dependencies have newer
 # versions available, run `flutter pub outdated`.
 dependencies:
+  cupertino_icons: ^1.0.2
   flutter:
     sdk: flutter
-
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons: ^1.0.2
+  page_transition: ^2.0.2
 
 dev_dependencies:
-  flutter_test:
-    sdk: flutter
-
   # The "flutter_lints" package below contains a set of recommended lints to
   # encourage good coding practices. The lint set provided by the package is
   # activated in the `analysis_options.yaml` file located at the root of your
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^1.0.0
+  flutter_test:
+    sdk: flutter
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
-
 # The following section is specific to Flutter.
 flutter:
-
   # The following line ensures that the Material Icons font is
   # included with your application, so that you can use the icons in
   # the material Icons class.
@@ -60,13 +54,11 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - assets/images/
-
+    - assets/images/buttons/
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.
-
   # For details regarding adding assets from package dependencies, see
   # https://flutter.dev/assets-and-images/#from-packages
-
   # To add custom fonts to your application, add a fonts section here,
   # in this "flutter" section. Each entry in this list should have a
   # "family" key with the font family name, and a "fonts" key with a