refactor: standardize quotation marks across all files and improve code consistency

lib/utils.ts

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