feat: Add new data volume for XDMod queue data

• Added a new data block storage resource in Terraform configuration.
• Updated the remote-exec provisioner to mount the XDMod queue data volume.

main.tf

@@ -153,8 +153,8 @@ provisioner "remote-exec" {
 
 provisioner "remote-exec" {
     inline = [
-      "sudo mount ${module.create-ohpc-instance.device}1 /var/lib/mysql",
-      "sudo mount ${module.create-ohpc-instance.device}2 /data/xdmod/queues",
+      "sudo mount ${module.create-ohpc-instance.device[0]} /var/lib/mysql",
+      "sudo mount ${module.create-ohpc-instance.device[1]} /data/xdmod/queues",
       "sudo df -h",
       "sudo systemctl restart mariadb",
     ]