Prepare webdavApi.dart implementation

pubspec.yaml

@@ -40,7 +40,6 @@ dependencies:
   flutter_login: ^4.1.0
   bubble: ^1.2.1
   http: ^0.13.5
-  webdav_client: ^1.1.8
   shared_preferences: ^2.0.15
   provider: ^6.0.4
   web_socket_channel: ^2.2.0
@@ -49,6 +48,18 @@ dependencies:
   json_annotation: ^4.8.0
   localstore: ^1.2.3
   intl: ^0.17.0
+  webdav: #^1.0.9
+    git:
+      url: https://github.com/timestee/dart-webdav.git
+      ref: 1a70d3f7236484ed170f688980020b344d729d39
+  nextcloud:
+    git:
+      url: https://github.com/provokateurin/nextcloud-neon
+      path: packages/nextcloud
+
+dependency_overrides:
+  xml: ^6.2.2
+
 
 dev_dependencies:
   flutter_test: