docs: upgrade to tailwind v4, react 19, fuma docs 15 (#1735)

docs/lib/utils.ts

@@ -1,8 +1,10 @@
 import { clsx, type ClassValue } from "clsx";
 import { twMerge } from "tailwind-merge";
+
 export function cn(...inputs: ClassValue[]) {
 	return twMerge(clsx(inputs));
 }
+
 export function absoluteUrl(path: string) {
 	return `${process.env.NEXT_PUBLIC_APP_URL}${path}`;
 }