feat: Add checkIsCloud middleware for routes

packages/backend/src/helpers/check-is-cloud.js

@@ -0,0 +1,11 @@
+import appConfig from '../config/app.js';
+
+export const checkIsCloud = async (request, response, next) => {
+  if (appConfig.isCloud) {
+    next();
+  } else {
+    return response.status(404).end();
+  }
+};
+
+export default checkIsCloud;