Add vaishnavidevi.json with domain owner details

domains/vaishnavidevi.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "2310030106cse",
+    "email": "2310030106cse@gmail.com"
+  },
+  "records": {
+    "CNAME": "2310030106cse.github.io"
+  }
+}