Split the mutations and make them use an input object instead of different parameters

crates/graphql/src/mutations/mod.rs

@@ -0,0 +1,28 @@
+// Copyright 2023 The Matrix.org Foundation C.I.C.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+mod user_email;
+
+use async_graphql::MergedObject;
+
+/// The mutations root of the GraphQL interface.
+#[derive(Default, MergedObject)]
+pub struct RootMutations(user_email::UserEmailMutations);
+
+impl RootMutations {
+    #[must_use]
+    pub fn new() -> Self {
+        Self::default()
+    }
+}