TF-571 Check OIDC is available

model/lib/oidc/converter/uri_converter.dart

@@ -0,0 +1,12 @@
+
+import 'package:json_annotation/json_annotation.dart';
+
+class UriConverter implements JsonConverter<Uri, String> {
+  const UriConverter();
+
+  @override
+  Uri fromJson(String json) => Uri.parse(json);
+
+  @override
+  String toJson(Uri uri) => uri.path;
+}