Change theme pack from 'dracula' to 'retro'

Author: HoangMinhPhan

config/_default/params.yaml

@@ -34,7 +34,7 @@ hugoblox:
     # Mode: 'light', 'dark', or 'system' (follows OS preference)
     mode: system
     # Theme pack: name from data/themes/ or { light: "x", dark: "y" } for mix-and-match
-    pack: "dracula" # "default"
+    pack: "retro" # "default"
     # Optional: Override theme pack colors
     colors:
       primary: "" # Tailwind palette name or hex (e.g., "indigo" or "#6366f1")