BUGFIX add MATCH_NONE to tag matching options

packages/mock_server/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
   logging: ^1.1.1
   flutter:
     sdk: flutter
-  http: ^1.0.0
+  http: ^0.13.4
 
 dev_dependencies:
   flutter_test:

packages/paperless_api/lib/src/models/labels/matching_algorithm.dart

@@ -2,6 +2,7 @@ import 'package:json_annotation/json_annotation.dart';
 
 @JsonEnum(valueField: 'value')
 enum MatchingAlgorithm {
+  none(0, "None: Disable matching"),
   anyWord(1, "Any: Match one of the following words"),
   allWords(2, "All: Match all of the following words"),
   exactMatch(3, "Exact: Match the following string"),