feat: Add address column and booking extras to bookings table

- Implemented a script to add an 'address' column to the 'bookings' table if it doesn't exist.
- Created a script to add 'include_service', 'include_cleanup', and 'total_price' columns to the 'bookings' table.
- Set up a 'users' table with an admin user and password hashing using bcrypt.
- Developed login and logout API routes with JWT authentication.
- Created a login page with form handling and error display.
- Designed a profile page for Christian Wärme showcasing skills and experience.
- Added a logout button component for admin interface.
- Implemented tests for login functionality and visual calendar layout.

scripts/add-address-to-bookings.mjs

@@ -0,0 +1,51 @@
+import mysql from 'mysql2/promise'
+import dotenv from 'dotenv'
+import { fileURLToPath } from 'url'
+import { dirname, join } from 'path'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = dirname(__filename)
+
+// Load environment variables from .env file in parent directory
+dotenv.config({ path: join(__dirname, '..', '.env') })
+
+async function addAddressColumn() {
+  const connection = await mysql.createConnection({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_NAME,
+  })
+
+  try {
+    console.log('Checking if address column exists in bookings table...')
+    
+    // Check if column exists
+    const [columns] = await connection.query(
+      `SELECT COLUMN_NAME 
+       FROM INFORMATION_SCHEMA.COLUMNS 
+       WHERE TABLE_SCHEMA = ? 
+       AND TABLE_NAME = 'bookings' 
+       AND COLUMN_NAME = 'address'`,
+      [process.env.DB_NAME]
+    )
+
+    if (columns.length > 0) {
+      console.log('✓ Address column already exists')
+    } else {
+      console.log('Adding address column to bookings table...')
+      await connection.query(
+        `ALTER TABLE bookings ADD COLUMN address VARCHAR(255) DEFAULT NULL AFTER phone`
+      )
+      console.log('✓ Address column added successfully')
+    }
+
+  } catch (error) {
+    console.error('Error:', error)
+    process.exit(1)
+  } finally {
+    await connection.end()
+  }
+}
+
+addAddressColumn()