Merge branch 'minor-jupyter-hub-customizations' into 'main'

charts/jupyter-hub-customizations/Chart.yaml

...tomizations/templates/configmap_check_frontend_files.yaml

...r-hub-customizations/templates/configmap_init_script.yaml

...hub-customizations/templates/configmap_sidecar_nginx.yaml

...upyter-hub-customizations/templates/configmap_values.yaml