chore: migrate to prod

Signed-off-by: SphericalKat <amolele@gmail.com>

config/prod.exs

@@ -10,7 +10,7 @@ use Mix.Config
 # which you should run after static files are built and
 # before starting your production server.
 config :ketbin, KetbinWeb.Endpoint,
-  url: [host: "dev.katb.in", port: 80],
+  url: [host: "katb.in", port: 80],
   cache_static_manifest: "priv/static/cache_manifest.json"
 
 # Do not print debug messages in production