Add JSON configuration for Mahefooz domain

domains/Mahefooz

@@ -1 +1,9 @@
-
+{
+  "owner": {
+    "username": "mahefoozgamer",
+    "email": "mahefoozgamer@gmail.com"
+  },
+  "record": {
+    "CNAME": "mahefoozgamer.github.io"
+  }
+}