fix: add _vercel.mohini.json for domain ownership verification

domains/_vercel.mohini.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "mbbairagii",
+    "email": "mbbairagii@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=mohini.is-a.dev,0a448e95d99ec1a5af9e"
+  }
+}