There are already a few major Helm repo aggregators (bitnami, etc) and applying and managing helm charts is fairly simple. What you want can be achieved either

There are already a few major Helm repo aggregators (bitnami, etc) and applying and managing helm charts is fairly simple. What you want can be achieved either with an Argo Flux repo or a Helmfile. Both of which are defined as code and easily versioned. It would be nice for the industry to coalesce around a more common stack for sure.