Remark that this works for multiple websites

[rodber]

In case someone didn't notice, this project enables to host multiple isolated Chevereto instances. This was intended to become the cloud provision backbone, and it has several bits of that.

However, Chevereto's cloud provision took another route (wait for it ❤️) and the multi-tenancy thing here remains as my first exploration in this area.

This project supports both sub-domain scheme and using top level domains, it should be useful for many users needing more than a single instance with isolated guarantee.

So yes, need to improve redaction to clarify this.