Refactored DI, serialization, added feedback to document download

lib/di_paperless_api.dart

@@ -0,0 +1,47 @@
+import 'dart:io';
+
+import 'package:http/http.dart';
+import 'package:injectable/injectable.dart';
+import 'package:paperless_api/paperless_api.dart';
+
+@module
+abstract class PaperlessApiModule {
+  @prod
+  @Order(-1)
+  @injectable
+  PaperlessAuthenticationApi authenticationModule(BaseClient client) =>
+      PaperlessAuthenticationApiImpl(client);
+
+  @prod
+  @Order(-1)
+  @injectable
+  PaperlessLabelsApi labelsModule(
+    @Named('timeoutClient') BaseClient timeoutClient,
+  ) =>
+      PaperlessLabelApiImpl(timeoutClient);
+
+  @prod
+  @Order(-1)
+  @injectable
+  PaperlessDocumentsApi documentsModule(
+    @Named('timeoutClient') BaseClient timeoutClient,
+    HttpClient httpClient,
+  ) =>
+      PaperlessDocumentsApiImpl(timeoutClient, httpClient);
+
+  @prod
+  @Order(-1)
+  @injectable
+  PaperlessSavedViewsApi savedViewsModule(
+    @Named('timeoutClient') BaseClient timeoutClient,
+  ) =>
+      PaperlessSavedViewsApiImpl(timeoutClient);
+
+  @prod
+  @Order(-1)
+  @injectable
+  PaperlessServerStatsApi serverStatsModule(
+    @Named('timeoutClient') BaseClient timeoutClient,
+  ) =>
+      PaperlessServerStatsApiImpl(timeoutClient);
+}