Add an API module to expose endpoints.

src/api.rs

@@ -0,0 +1,19 @@
+/// Endpoints that cannot change with new versions of the Matrix specification.
+pub mod unversioned {
+    /// [GET /_matrix/client/versions](https://matrix.org/docs/spec/client_server/r0.2.0.html#get-matrix-client-versions)
+    pub mod get_supported_versions {
+        use futures::Future;
+        use hyper::client::Connect;
+        use ruma_client_api::unversioned::get_supported_versions::Endpoint;
+        pub use ruma_client_api::unversioned::get_supported_versions::{Request, Response};
+
+        use {Client, Error};
+
+        /// Make a request to this API endpoint.
+        pub fn call<'a, C>(client: &'a Client<C>, request: Request)
+        -> impl Future<Item = Response, Error = Error> + 'a
+        where C: Connect {
+            client.request::<Endpoint>(request)
+        }
+    }
+}

src/lib.rs

@@ -32,6 +32,8 @@ use url::Url;
 pub use error::Error;
 pub use session::Session;
 
+/// Matrix client-server API endpoints.
+pub mod api;
 mod error;
 mod session;