feat: add basic webui

packages/design-system/lib/utils.ts

@@ -0,0 +1,16 @@
+import { parseError } from '@konobangu/observability/error';
+import { clsx } from 'clsx';
+import type { ClassValue } from 'clsx';
+import { toast } from 'sonner';
+import { twMerge } from 'tailwind-merge';
+
+export const cn = (...inputs: ClassValue[]): string => twMerge(clsx(inputs));
+
+export const capitalize = (str: string) =>
+  str.charAt(0).toUpperCase() + str.slice(1);
+
+export const handleError = (error: unknown): void => {
+  const message = parseError(error);
+
+  toast.error(message);
+};