This is a release candidate for v0.1.0. The helm chart is attached as an asset named ai-gateway-helm-v0.1.0-rc1.tgz here. Alternatively, it is also published at GHCR, so you can try it out with
helm install aieg oci://ghcr.io/envoyproxy/ai-gateway/ai-gateway-helm --version v0.1.0-rc1 --namespace envoy-ai-gateway-system --create-namespace