Add Vercel configuration for domain verification

domains/_vercel.shashivardhan.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "shashivardhan-dev",
+        "email": "shashivardhan.dev@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=shashivardhan.is-a.dev,03cf16c0250458e86e1d"
+    }
+}