Add nxtsdev.json with owner and records information

domains/nxtsdev.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "mahtab2003",
+    "email": "mahtabhassan159@gmail.com"
+  },
+  "records": {
+    "CNAME": "nxtsdev.eu.org"
+  }
+}