Add start command

README.md

@@ -4,10 +4,13 @@ A portfolio website that recreates my Arch Linux desktop (Hyprland, Quickshell b
 
 ## Running
 
+`start` builds the site and serves it with Bun on `PORT` (default 3000), reading `.env` for the Discord variables.
+
 ```bash
 bun install
 bun run dev
 bun run build
+bun run start
 bun run check
 ```