Merge pull request #42582 from William9923/main

Add CNAME record for william9923.github.ui

domains/william9923.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "William9923",
+        "email": "williamong1400@gmail.com"
+    },
+    "records": {
+        "CNAME": "william9923.github.io"
+    }
+}