Add room upgrade endpoint.

src/r0/room.rs

@@ -3,6 +3,7 @@
 pub mod create_room;
 pub mod get_room_event;
 pub mod report_content;
+pub mod upgrade_room;
 
 use serde::{Deserialize, Serialize};
 

src/r0/room/upgrade_room.rs

@@ -0,0 +1,28 @@
+//! [POST /_matrix/client/r0/rooms/{roomId}/upgrade](https://matrix.org/docs/spec/client_server/r0.6.0#post-matrix-client-r0-rooms-roomid-upgrade)
+
+use ruma_api::ruma_api;
+use ruma_identifiers::RoomId;
+
+ruma_api! {
+    metadata {
+        description: "Upgrades a room to a particular version.",
+        method: POST,
+        name: "upgrade_room",
+        path: "/_matrix/client/r0/rooms/:room_id/upgrade",
+        rate_limited: false,
+        requires_authentication: true,
+    }
+
+    request {
+        /// ID of the room to be upgraded.
+        #[ruma_api(path)]
+        room_id: RoomId,
+        /// New version for the room.
+        new_version: String,
+    }
+
+    response {
+        /// ID of the new room.
+        replacement_room: RoomId,
+    }
+}