The value of the service port for webhook / appservice was required for ingress configuration, this is passed directly from it's configured port in the services block now
Ingress configuration of hosts / paths was unclear and not listed in the values.yaml file, values.yaml file now has proper defaults for the values
Addresses https://github.com/matrix-org/matrix-hookshot/issues/780 partially on two points:
values.yamlfile,values.yamlfile now has proper defaults for the values