Add Vercel domain verification configuration

domains/_vercel.nisthar.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "Nisthar",
+        "email": "nistharkalathilk@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=nisthar.is-a.dev,90f6e6ba9eb90393687b"
+    }
+}