feat(theme) add ThemeSwitcher.tsx

app/providers.tsx

@@ -0,0 +1,12 @@
+'use client';
+
+import { NextUIProvider } from '@nextui-org/react';
+import React from 'react';
+
+export function Providers({ children }: { children: React.ReactNode }) {
+    return (
+        <NextUIProvider>
+            { children }
+        </NextUIProvider>
+    );
+}