Set Authelia consent mode for Hedgedoc to implicit

Add niels to hedgedoc group in Authelia

modules/authelia.nix

@@ -108,6 +108,7 @@
                   scopes = ["openid" "profile" "email" "groups"];
                   userinfo_signed_response_alg = "none";
                   token_endpoint_auth_method = "client_secret_post";
+                  consent_mode = "implicit";
                 }
               ];
             };