[feature request] add listing to raw website

Accessing raw content is very useful for automation script.

Use case

To deploy all grafana dashboard from rabbitMQ (from cluster-operator/observability/grafana/dashboards at main · rabbitmq/cluster-operator · GitHub) I use a small Ansible playbook to download YAML content and push it into my K8S.

Issue

I cannot get a listing easily

Feature Request

Add a simple listing to directory when browsing repository via raw web site (eg: here https://raw.githubusercontent.com/rabbitmq/cluster-operator/main/observability/grafana/dashboards/ we should have a list of children).