Add Vercel domain verification configuration

domains/_vercel.manisaos.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "Khushi1310-nayak",
+    "email": "khushinayak127@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=manisaos.is-a.dev,2492db4048acdb0fbee5"
+  }
+}