Add "dark/light theme switcher" in settings page, add "about" page.

pubspec.yaml

 name: jeweled
 description: Jeweled Game
 
-publish_to: 'none'
+publish_to: "none"
 
-version: 0.0.30+30
+version: 0.0.31+31
 
 environment:
-  sdk: '^3.0.0'
+  sdk: "^3.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
+
   easy_localization: ^3.0.1
   equatable: ^2.0.5
   flutter_bloc: ^8.1.1
   hive: ^2.2.3
   hydrated_bloc: ^9.0.0
+  package_info_plus: ^8.0.0
   path_provider: ^2.0.11
+  unicons: ^2.1.1
 
 dev_dependencies:
   flutter_lints: ^3.0.1
 
 flutter:
-  uses-material-design: false
+  uses-material-design: true
   assets:
     - assets/icons/
     - assets/translations/