Create nandini.json

## Requirements

- [x] I have read and agree to the Terms of Service.
- [x] I understand my domain will be removed if I violate the Terms of Service.
- [x] My file is in the `domains` directory and has the `.json` file extension.
- [x] My file's name is lowercased and alphanumeric.
- [x] My website is reachable and completed.
- [x] I have provided sufficient contact information in the `owner` key.
- [x] I am **not** requesting NS records.

## Website Preview

https://nandini-kohl.vercel.app

domains/nandini.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "nytrixis"
+  },
+  "records": {
+    "CNAME": "nandini-kohl.vercel.app"
+  }
+}