Add Vercel domain configuration for khoa-tran

domains/_vercel.khoa-tran.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "tdkhoa97",
+    "email": "99750642+tdkhoa97@users.noreply.github.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=khoa-tran.is-a.dev,614aeec7ea2e8840a92e"
+  }
+}