chore(ui,icons,ui-preset,toolbox): Move design system packages to monorepo (#5470)

packages/design-system/ui/src/utils/clx.ts

@@ -0,0 +1,6 @@
+import clsx, { type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function clx(...args: ClassValue[]) {
+  return twMerge(clsx(...args));
+}

packages/design-system/ui/src/utils/is-browser-locale-hour-cycle-24h.ts

@@ -0,0 +1,12 @@
+const isBrowserLocaleClockType24h = () => {
+  const language =
+    typeof window !== "undefined" ? window.navigator.language : "en-US"
+
+  const hr = new Intl.DateTimeFormat(language, {
+    hour: "numeric",
+  }).format()
+
+  return Number.isInteger(Number(hr))
+}
+
+export { isBrowserLocaleClockType24h }