updated NFS shares and added vars.nfsShares.options

variables.nix

@@ -83,6 +83,7 @@
   # dataset or moving where it's mounted only needs changing it here — the
   # export and every client reference follow automatically.
   nfsShares = {
+    options = "(rw,sync,no_subtree_check,no_root_squash)";
     dockerConfig = {
       subpath = "docker/config";
       mountpoint = "/mnt/docker/config";
@@ -107,7 +108,11 @@
       subpath = "proxmox/iso";
       mountpoint = "/mnt/iso";
     };
-    proxmoxPxeImages = {
+    proxmoxLxcImages = {
+      subpath = "proxmox/lxc";
+      mountpoint = "/mnt/lxc";
+    };
+    pxebootImages = {
       subpath = "pxe-boot/images";
       mountpoint = "/mnt/pxe-images";
     };