fix: Tailscale + impermanence

hosts/sydpc/configuration.nix

@@ -13,6 +13,7 @@
   sydnix = {
     filesystemType = "btrfs";
 
+    tailscale.enable = true;
     steam = {
       enable = true;
       impermanenceUsers = ["crumb"];

modules/nixos/tailscale.nix

@@ -16,5 +16,7 @@ in {
     networking.firewall.trustedInterfaces = [
       "36mtailscale0"
     ];
+
+    sydnix.impermanence.directories = [ "/var/lib/tailscale" ];
   };
 }