Website restoration: Node.js backend, restored design, GitHub sync disabled

- Replaced broken .NET backend with Node.js/Express
- Restored original website design with purple gradient hero
- Updated homepage and shop pages with Bootstrap 5 responsive design
- Disabled GitHub remote sync - all code now stored locally only
- Created backup scripts and documentation
- All changes saved on Ubuntu server at /var/www/SkyArtShop

backend/config/database.js

@@ -0,0 +1,31 @@
+const { Pool } = require('pg');
+require('dotenv').config();
+
+const pool = new Pool({
+  host: process.env.DB_HOST || 'localhost',
+  port: process.env.DB_PORT || 5432,
+  database: process.env.DB_NAME || 'skyartshop',
+  user: process.env.DB_USER || 'skyartapp',
+  password: process.env.DB_PASSWORD,
+  max: 20,
+  idleTimeoutMillis: 30000,
+  connectionTimeoutMillis: 2000,
+});
+
+pool.on('connect', () => console.log('✓ PostgreSQL connected'));
+pool.on('error', (err) => console.error('PostgreSQL error:', err));
+
+const query = async (text, params) => {
+  const start = Date.now();
+  try {
+    const res = await pool.query(text, params);
+    const duration = Date.now() - start;
+    console.log('Executed query', { text, duration, rows: res.rowCount });
+    return res;
+  } catch (error) {
+    console.error('Query error:', error);
+    throw error;
+  }
+};
+
+module.exports = { pool, query };