Added CORS allow credential header to options and responses

src/main.rs

@@ -35,7 +35,7 @@ async fn main() -> std::io::Result<()> {
             .wrap(DefaultHeaders::new().add((
                 "Access-Control-Allow-Origin",
                 app_state.allow_origins.join(","),
-            )))
+            )).add(("Access-Control-Allow-Credentials", "true")))
             .service(login)
             .service(register)
             .service(logout)