feat: add Settings and Setup pages for user management

- Implemented Settings page for changing user passwords with validation and feedback.
- Created Setup page for initial admin account setup with form handling and navigation.
- Added API service layer for handling requests related to proxy hosts, remote servers, and import functionality.
- Introduced mock data for testing purposes and set up testing framework with vitest.
- Configured Tailwind CSS for styling and Vite for development and build processes.
- Added scripts for Dockerfile validation, Python syntax checking, and Sourcery integration.
- Implemented release and coverage scripts for better CI/CD practices.

frontend/src/components/RequireAuth.tsx

@@ -0,0 +1,20 @@
+import React from 'react';
+import { Navigate, useLocation } from 'react-router-dom';
+import { useAuth } from '../context/AuthContext';
+
+const RequireAuth: React.FC<{ children: JSX.Element }> = ({ children }) => {
+  const { isAuthenticated, isLoading } = useAuth();
+  const location = useLocation();
+
+  if (isLoading) {
+    return <div>Loading...</div>; // Or a spinner
+  }
+
+  if (!isAuthenticated) {
+    return <Navigate to="/login" state={{ from: location }} replace />;
+  }
+
+  return children;
+};
+
+export default RequireAuth;