Implemented simple and basic file downloading

pubspec.yaml

@@ -51,14 +51,17 @@ dependencies:
     git:
       url: https://github.com/provokateurin/nextcloud-neon
       path: packages/nextcloud
-  flutter_launcher_icons: ^0.11.0
+  flutter_launcher_icons: ^0.12.0
   pretty_json: ^2.0.0
   cached_network_image: ^3.2.3
-  open_file: ^2.1.1
-  flowder: ^0.2.0
   url_launcher: ^6.1.10
   flutter_linkify: ^5.0.2
   filesize: ^2.0.1
+  path_provider: ^2.0.13
+  better_open_file: ^3.6.4
+  flowder:
+    git:
+      url: https://github.com/Harsh223/flowder.git
 
 dependency_overrides:
   xml: ^6.2.2