Add landonxr.json for domain configuration

domains/landonxr.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "allplay4k-netizen"
+  },
+  "records": {
+    "URL": "https://allplay4k-netizen.github.io/landonxr.github.io/"
+  }
+}