Add Vercel configuration for domain verification

domains/_vercel.code-with-ryz.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "Ryu2804",
+    "email": "everyrelativity@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=code-with-ryz.is-a.dev,8717f43b8cac48115ae8"
+  }
+}