feat: add contact email for yangzhuoqun.is-a.dev

domains/yangzhuoqun.json

@@ -1,11 +1,12 @@
 {
   "description": "Personal blog of yangzhuoqun",
   "owner": {
-    "username": "yangzhuoqun-666"
+    "username": "yangzhuoqun-666",
+    "email": "yangzhuoqun_youxi@outlook.com"
   },
   "record": {
     "A": [
       "154.9.227.36"
     ]
   }
-}
+}