feat: replace mail protocol with smolmail and rebuild the UI

pubspec.yaml

@@ -1,42 +1,33 @@
-name: flash_mail
-description: Temporary E-mail App, powered by mail.tm
+name: smol_mail
+description: Smol Mail client for the minimalist end-to-end encrypted mail protocol (../smolmail)
 
 publish_to: "none"
 
 version: 1.0.0+1
 
 environment:
-  sdk: ">=3.0.1 <4.0.0"
+  sdk: ^3.11.0
 
 dependencies:
   flutter:
     sdk: flutter
+  crypto: ^3.0.3
   hive: ^2.2.3
   hive_flutter: ^1.1.0
-  auto_route: ^7.4.0
-  flutter_riverpod: ^2.4.0
-  url_launcher: ^6.2.1
-  flash: ^3.0.5+2
-  freezed_annotation: ^2.4.1
-  json_annotation: ^4.8.1
-  dio: ^4.0.6
-  shimmer: ^3.0.0
-  flutter_inappwebview: ^6.0.0
-  flutter_downloader: ^1.11.6
-  external_path: ^1.0.3
-  intl: ^0.19.0
+  auto_route: ">=11.1.0 <11.2.0"
+  flutter_riverpod: ^3.3.2
+  intl: ^0.20.3
+  share_plus: ^13.3.0
+  file_picker: ^13.1.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   build_runner: ^2.4.6
-  flutter_lints: ^2.0.0
-  auto_route_generator: ^7.3.0
+  flutter_lints: ^6.0.0
+  auto_route_generator: ^10.5.0
   flutter_native_splash: ^2.3.4
-  flutter_launcher_icons: ^0.13.1
-  freezed: ^2.4.5
-  json_serializable: ^6.7.1
-  hive_generator: ^2.0.1
+  flutter_launcher_icons: ^0.14.4
 
 flutter_launcher_icons:
   android: "launcher_icon"