implemented user backups

app/pubspec.yaml

@@ -11,13 +11,16 @@ dependencies:
   animated_tree_view: ^2.3.0
   background_fetch: ^1.5.0
   collection: ^1.19.1
+  convert: ^3.1.2
   copy_with_extension: ^10.0.1
   country_flags: ^4.1.0
+  cryptography_flutter: ^2.3.4
   drift: ^2.30.0
   drift_dev: ^2.30.0
   dynamic_color: ^1.8.1
   exceptions: ^0.6.1
   fading_scroll: ^0.9.1
+  fancy_password_field: ^2.0.8
   fast_equatable: ^1.3.1
   flutter:
     sdk: flutter
@@ -62,6 +65,12 @@ dependencies:
   riverpod_annotation: ^3.0.3
   rss_dart: ^1.0.14
   rxdart: ^0.28.0
+  saf_stream: ^0.12.3
+  saf_util: ^0.11.0
+  secure_archive:
+    git:
+      url: https://github.com/FaFre/secure_archive.git
+      path: packages/secure_archive
   share_plus: ^12.0.1
   simple_intent_receiver:
     path: ../packages/simple_intent_receiver