add mkhassan user

domains/mkhassan.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "mk-hassan",
+        "email": "mk.bayumi@gmail.com"
+    },
+    "records": {
+        "CNAME": "mk-hassan.github.io"
+    }
+}