feat: add domain registration for udaybir.json

domains/udaybir.json

@@ -0,0 +1,11 @@
+{
+    "owner": {
+        "username": "Uday9909",
+        "email": "writetoudaybir@gmail.com"
+    },
+    "description": "Personal portfolio of Udaybir Singh — Full Stack Developer",
+    "repo": "https://github.com/Uday9909/3d-portfolio",
+    "record": {
+        "CNAME": "3d-portfolio-wine-gamma.vercel.app"
+    }
+}