test-vm: Add whib-frontend module

hosts/test-vm/whib-frontend.nix

@@ -0,0 +1,34 @@
+{ lib, config, ... }:
+let
+  enabled = config.mod.whib-frontend.enable;
+in
+{
+  options = {
+    mod.whib-frontend = {
+      enable = lib.mkEnableOption "enable WHIB backend";
+    };
+  };
+
+  config = lib.mkIf enabled {
+    services.whib-frontend = {
+      enable = true;
+
+      domain = "whib-frontend.local";
+      port = "8081";
+      backendHost = "https://api.whib.ppp.pm/"; # "whib-backend.local";
+    };
+
+    virtualisation.vmVariant = {
+      virtualisation = {
+        forwardPorts = [
+          {
+            # Service API
+            from = "host";
+            host.port = 8081;
+            guest.port = 8081;
+          }
+        ];
+      };
+    };
+  };
+}