PathAppURL is the URL to the base path for path apps. Optional
unless wildcard_hostname is set.
E.g. https://us.example.com
updated_atstring date-time
versionstring
wildcard_hostnamestring
WildcardHostname is the wildcard hostname for subdomain apps.
E.g. *.us.example.com
E.g. *--suffix.au.example.com
Optional. Does not need to be on the same domain as PathAppURL.