fix: disable react-refresh/only-export-components rule for component files

Disable the react-refresh/only-export-components ESLint rule in files
that export both components and related utilities (hooks, types,
constants). This is a pragmatic solution to maintain code organization
without splitting files unnecessarily.

src/components/ui/sidebar.tsx

@@ -1,3 +1,4 @@
+/* eslint-disable react-refresh/only-export-components */
 import * as React from "react";
 import { Slot } from "@radix-ui/react-slot";
 import { cva, type VariantProps } from "class-variance-authority";