Feature request: Make more regions available

[stefanes]

The number of available regions was reduced recently, please consider reintroducing more available regions. Possibly under a separate more extensive list for those who needs it.

Justification: Using e.g. Cloudflare WAF enables you to block access to a resource based on location. To be able to use this feature to lock down access as much as possible it would be nice to be able to select from a list of more regions like we could before.

[stefanes]

Tested unblocking Netherlands and only pinging from there, but with fly.io it still fails since Cloudflare still sees it as a US IP:

https://www.ipaddress.com/ipv6/2605%3A4c40%3A119%3Af6b7%3A0%3A3fa0%3Ac83%3A1

[stefanes]

Note: Before the move to fly.io, request came in with an actual local IP (like a Swedish IP if pinging from Stockholm).