Add siyang.json for domain configuration

domains/siyang.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "YTwsy",
+    "email": "wsy95613373@outlook.com"
+  },
+  "records": {
+    "CNAME": "siyang.pages.dev"
+  }
+}