Add rivaldi.thedev.id (#514)

subdomains.json

@@ -136,6 +136,7 @@
   "reed": "82b105a408a284422201.b-cdn.net",
   "rhysjames": "portfolio-silk-rho-72.vercel.app",
   "richie": "richiesuper.github.io",
+  "rivaldi": "bagusrivaldi.github.io",
   "rizwan": "rizwan-kh.github.io",
   "rogerp": "rogerpanza.github.io",
   "rohmadkur": "rohmadkur.netlify.app",