Add Vercel domain configuration for trantienhunggg

domains/_vercel.trantienhunggg.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "trantienhunggg",
+    "email": "trantienhung21122004@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=trantienhunggg.is-a.dev,d67cd49fc73f9285b699"
+  }
+}