Complete mock secure web application with:

- User registration and login with CSRF protection
- SQL injection prevention and XSS protection
- Real-time form validation
- Password strength requirements
- Show/hide password toggle
- Modern dark theme UI
- Routes for /login, /register, /home, /logout
- API endpoints for CRUD operations
- Prettier and ESLint configure

config/schema.sql

@@ -0,0 +1,22 @@
+-- PostgreSQL schema for secure application
+
+-- Create users table
+CREATE TABLE IF NOT EXISTS users (
+    id SERIAL PRIMARY KEY,
+    username VARCHAR(50) NOT NULL UNIQUE,
+    email VARCHAR(100) NOT NULL UNIQUE,
+    password VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
+
+-- Create user_data table
+CREATE TABLE IF NOT EXISTS user_data (
+    id SERIAL PRIMARY KEY,
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    data TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_user_data_user_id ON user_data(user_id);