modules: add actual, nqptp, and voidauth service modules

modules/services/actual.nix

@@ -0,0 +1,32 @@
+{
+  lib,
+  config,
+  ...
+}:
+let
+  cfg = config.services.actual;
+  fqdn = "${cfg.subdomain}.${config.networking.domain}";
+in
+{
+  options.services.actual = {
+    subdomain = lib.mkOption {
+      type = lib.types.str;
+    };
+    environmentFile = lib.mkOption {
+      type = lib.types.nullOr lib.types.path;
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services = {
+      webserver = {
+        enable = lib.mkDefault true;
+        vHosts.${fqdn}.locations."/".proxyPort = cfg.settings.port;
+      };
+    };
+
+    systemd.services.actual = {
+      serviceConfig.EnvironmentFile = cfg.environmentFile;
+    };
+  };
+}