feat: add chat.yangzhuoqun.is-a.dev for Matrix server

domains/chat.yangzhuoqun.json

@@ -0,0 +1,12 @@
+{
+  "description": "Matrix chat server for yangzhuoqun",
+  "owner": {
+    "username": "yangzhuoqun-666",
+    "email": "yangzhuoqun_youxi@outlook.com"
+  },
+  "records": {
+    "A": [
+      "154.9.227.36"
+    ]
+  }
+}