feat: implemen top banner to display business hours and tel

Signed-off-by: Chloe <pinkcloudvnn@gmail.com>

lib/utils.ts

@@ -1,4 +1,6 @@
+import clsx, { ClassValue } from 'clsx';
 import { ReadonlyURLSearchParams } from 'next/navigation';
+import { twMerge } from 'tailwind-merge';
 
 export const createUrl = (pathname: string, params: URLSearchParams | ReadonlyURLSearchParams) => {
   const paramsString = params.toString();
@@ -37,3 +39,7 @@ export const validateEnvironmentVariables = () => {
     );
   }
 };
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}