fix(tazjin/tverskoy): Persist zerotier and tailscale state

Change-Id: Iede2e6afaa7484edbd98a8df08eb83d181650ddf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5399
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI

users/tazjin/nixos/tverskoy/default.nix

@@ -144,8 +144,11 @@ lib.fix (self: {
       "/var/cache/mullvad-vpn"
       "/var/lib/bluetooth"
       "/var/lib/systemd/coredump"
+      "/var/lib/tailscale"
+      "/var/lib/zerotier-one"
       "/var/log"
     ];
+
     files = [
       "/etc/machine-id"
     ];