Added IPv6.rs and Cloud Seeder to the VPN section

[ipv6rs]

Added IPv6.rs and Cloud Seeder to the VPN section.

IPv6.rs provides both regular privacy VPN services, but also, an IPv6 endpoint that can also be reached through the reverse IPv4 proxy which is also open source called delorean.

We also provide a server installer wizard called Cloud Seeder

[ipv6rs]

Thank you for the consideration!