all lowercase

src/firmware_api.rs

@@ -91,6 +91,8 @@ async fn serve_firmware(
 ) -> impl Responder {
     let (service, product, config, version) = path.into_inner();
     let version = version.replace(['.', '_'], "-");
+    let service = service.to_lowercase();
+    let config = config.to_lowercase();
     let Ok(service) = Services::from_str(&service) else {
         return HttpResponse::NotFound().finish();
     };