Add luxjson.json with owner and records information

domains/luxjson.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "luxjson",
+    "email": "lucaeduarte6@gmail.com"
+  },
+  "records": {
+    "CNAME": "luxjson.github.io"
+  }
+}