feat: integrate Flutter Quill for rich text editing and update note handling

- Added Flutter Quill package for rich text editing capabilities.
- Refactored note body handling to support Quill's Document format.
- Updated note editor screen to use QuillEditor and QuillController.
- Enhanced note search functionality to convert note body to plain text.
- Modified note card display to show plain text from note body.
- Updated localization support for Quill in the app.
- Registered necessary plugins for URL launching and file selection on all platforms.
- Updated app icons and other assets for consistency across platforms.
- Updated pubspec.yaml and pubspec.lock to include new dependencies and versions.

pubspec.yaml

@@ -2,7 +2,7 @@ name: notas
 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
@@ -48,6 +48,7 @@ dependencies:
   crypto: ^3.0.6
   cryptography: ^2.7.0
   uuid: ^4.0.0
+  flutter_quill: ^11.5.1
 
 dev_dependencies:
   flutter_test:
@@ -68,7 +69,6 @@ dev_dependencies:
 
 # The following section is specific to Flutter packages.
 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.
@@ -113,27 +113,26 @@ hooks:
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/to/font-from-package
 
-
 flutter_launcher_icons:
   # Configuración general y móvil
   image_path: "assets/icon.png"
   android: true
   ios: false
-  
+
   # Configuración para Windows
   windows:
     generate: true
     image_path: "assets/icon.png"
     icon_size: 256 # Tamaño máximo requerido por Windows
-  
+
   # Configuración para Web (Opcional, pero recomendado)
   web:
     generate: false
     image_path: "assets/icon.png"
     background_color: "#FFFFFF" # Cambia esto al color de fondo de tu app
     theme_color: "#FFFFFF"
-    
+
   # Configuración para macOS (Por si en el futuro compilas para Mac)
   macos:
     generate: true
-    image_path: "assets/icon.png"
+    image_path: "assets/icon.png"