feat: Setup React Frontend (Issue #1)

- Initialize Vite + React + TypeScript project
- Install dependencies (React Router, Zustand, Axios, Tailwind CSS)
- Configure Tailwind CSS and PostCSS
- Create basic folder structure
- Setup ESLint and Prettier
- Create placeholder pages (Login, Dashboard, Logs, Alerts, etc.)
- Create Layout and ProtectedRoute components
- Add TypeScript types

Closes #1

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

frontend/src/pages/Reports.tsx

@@ -0,0 +1,8 @@
+export default function Reports() {
+  return (
+    <div>
+      <h1 className="text-3xl font-bold mb-6">Reports & Dashboards</h1>
+      <p className="text-gray-600">Reports page - To be implemented</p>
+    </div>
+  )
+}