Add JSON configuration for rajeevdewangan domain

domains/rajeevdewangan.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "rajeevDewangan",
+    "email": "rajeevdewangan10@gmail.com"
+  },
+  "records": {
+    "CNAME": "my-portfolio-7po.pages.dev"
+  }
+}