chore: complete initial setup for Next.js project with TypeScript, Tailwind CSS, ESLint, and Prettier; remove unnecessary .DS_Store file

src/components/Providers.tsx

@@ -0,0 +1,20 @@
+'use client';
+
+import { ThemeProvider } from '@/contexts/ThemeContext';
+import { Header } from '@/components/layout/Header';
+import { ReactNode } from 'react';
+
+interface ProvidersProps {
+  children: ReactNode;
+}
+
+export function Providers({ children }: ProvidersProps) {
+  return (
+    <ThemeProvider>
+      <div className="min-h-screen bg-background">
+        <Header />
+        {children}
+      </div>
+    </ThemeProvider>
+  );
+}