Configuration scenarios

1. One TSDProxy instance, two Docker servers, one Tailscale provider
2. One TSDProxy instance, two Docker servers, three Tailscale providers
3. Two TSDProxy instances, two Docker servers, one Tailscale provider
4. Two TSDProxy instances,two Docker servers, three Tailscale providers
5. One TSDProxy instance, one Docker server, one Tailscale provider and a Servarr stack using network_mode: "service:vpn"