Add types for responding to Authentication requests.

api/src/lib.rs

@@ -5,3 +5,5 @@
 #[allow(dead_code)]
 pub mod schema;
 pub use schema::*;
+
+mod openapi;

api/src/openapi/authentication_rest.rs

@@ -0,0 +1,16 @@
+/// Code generated by ogen, converted via Copilot and rewritten manually.
+pub mod openapi {
+    pub struct AuthenticationMethod(String);
+
+    pub struct BasicAuth {
+        pub username: String,
+        pub password: String,
+    }
+
+    pub mod responses {
+
+        pub struct Unauthorized {
+            pub www_authenticate: Option<String>,
+        }
+    }
+}

api/src/openapi/mod.rs

@@ -0,0 +1 @@
+mod authentication_rest;