Add support for secondary resolver

[bitbeans]

We need to wait for the new dnscrypt-proxy release

[andmpel]

Is this still being worked on?

[bitbeans]

i am still waiting for an update (dnscrypt-proxy) :)

[ngenx]

cmd /c nssm install dnscrypt2 "C:\Program Files (x86)\bitbeans\Simple DNSCrypt\dnscrypt-proxy\dnscrypt-proxy.exe" --local-address=127.0.0.2:53 -R okturtles --ephemeral-keys

[bitbeans]

see DNSCrypt/dnscrypt-proxy#418