pinwheel/test-vm: Move development of ppp.pm-site to test-vm

hosts/test-vm/configuration.nix

@@ -1,13 +1,17 @@
 {  pkgs, ... }:
 {
-  imports = [];
+  imports = [
+    ./ppp.pm-site.nix
+  ];
 
   config = {
     boot.kernelPackages = pkgs.linuxPackages_latest;
 
     networking.hostName = "test-vm";
 
-    mod = {};
+    mod = {
+      pppdotpm-site.enable = true;
+    };
 
     users.users.a = {
       isNormalUser = true;