Note setting glue and ns records

HOWTO-NS.md

@@ -0,0 +1,7 @@
+```bash
+# Create a glue record for the nameserver
+daplie glue:set -n ns1.example.com -a 12.55.12.33
+
+# Set the nameservers for a domain
+daplie ns:set -n example.com --nameservers ns1.example.com
+```