feat: add rahul-raj.is-a.dev domain

domains/rahul-raj.json

@@ -0,0 +1,8 @@
+{
+  "owner": {
+    "username": "rahulrakshi3-netizen"
+  },
+  "record": {
+    "CNAME": "cname.vercel-dns.com"
+  }
+}