Add Vercel domain verification configuration

domains/_vercel.sanu-singh.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "MrUnknown58",
+        "email": "sanusingh1603@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=sanu-singh.is-a.dev,6d79a92529dfc749b9c0"
+    }
+}