Add raksix.thedev.id (#536)

subdomains.json

@@ -149,6 +149,7 @@
   "rahulsya": "rahulsya.netlify.app",
   "rainy": "its-rainy-days.github.io",
   "raiyan": "legendlife.github.io",
+  "raksix": "raksix.vercel.app",
   "raunit": "raunits.vercel.app",
   "reed": "82b105a408a284422201.b-cdn.net",
   "rhysjames": "portfolio-silk-rho-72.vercel.app",