Add vllm-mlx.json with owner and records details

domains/vllm-mlx.json

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