Add kuldeeep.is-a.dev

Portfolio and writing site, currently at iamkuldeep.vercel.app.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

domains/kuldeeep.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "kuldeeepy",
+    "email": "kuldeeep.yadav1@gmail.com"
+  },
+  "records": {
+    "CNAME": "cname.vercel-dns.com"
+  }
+}