adding mahfuz as a domain

domains/mahfuz.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "mahfuzurrahman98",
+    "email": "mdmahfuzurrahmanarif@gmail.com"
+  },
+  "record": {
+    "CNAME": "mahfuz.devcms.io"
+  }
+}