Debian: add KadNode to resolv.conf

[stokito]

The openwrt package register redirect of the .p2p domains to a local kadnode dns resolver. But for Debian and Arch only the NSS reolver is added.
Should we add the preinst script that will add the same redirect to the resolv.conf?

[mwarning]

The problem is that the TLD that is intercepted is configurable. So when it is set for the kadnode binary, it would also need to be changed in the /etc/resolv.conf. On OpenWrt I had no other choice because there is no /etc/nsswitch.conf.

[stokito]

We may add the same p2p TLD by default. Any advanced users may set up own domain if needed.

[mwarning]

Sure, we can use /etc/resolv.conf on Debian instead of /etc/nsswitch.conf if it is possible.