Whatever documentation is currently available can be found in the https://github.com/allegroai/clearml-server-k8s repository and in the docs here https://allegro.ai/clearml/docs/docs/deploying_clearml/clearml_server_kubernetes_helm.html
Can you explain the exact configuration you're after? I'm not sure there's much use in assigning more memory to the webserver service as it's only responsible for serving the WebApp and acting as a reverse proxy...