[nextcloud module] add wrapper example

machines/modules/malobeo/microvm_client.nix

@@ -0,0 +1,28 @@
+{config, lib, pkgs, ...}:
+let
+  cfg = config.services.malobeo.microvm.client;
+in
+{
+  options.services.malobeo.microvm.client = {
+    nextcloud = {
+      enable = lib.mkEnableOption "enable the nextcloud microvm wrapper";
+      datadir = lib.mkOption {
+        type = lib.types.string;
+        default = "/data/services/nextcloud/";
+        description = "set a custom datadir";
+      };
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf cfg.nextcloud.enable { #add check for run-vm?
+      services.malobeo.microvm.deployHosts = ["nextcloud"];
+      microvm.vms.nextcloud.config.microvm.shares = lib.mkAfter [{
+        source = cfg.datadir;
+        mountPoint = "/datadir";
+        tag = "nc-datadir";
+        proto = "virtiofs";
+      }];
+    })
+  ];
+}