Initial commit: Luftglanz drone website with integrated AI chat assistant

Features:
- Complete Luftglanz drone cleaning website
- AI chat assistant integrated with OpenAI API
- Expert product advice for AGO Quart and Mellerud cleaning products
- Formal German language support (Sie form)
- Secure PHP backend for API calls
- Responsive design with mobile support
- Product-specific knowledge base
- Safety statements from manufacturers
- Multi-page integration (index, products, services, contact)

Technical components:
- AI chat widget (js/ai-chat.js)
- Chat styling (css/components/ai-chat.css)
- Backend API (ai-chat-api.php)
- Product knowledge base with detailed specifications
- Demo and documentation files

js/main.js

@@ -0,0 +1,19 @@
+// This file contains the main JavaScript code for the website, handling general interactivity and functionality.
+
+document.addEventListener('DOMContentLoaded', () => {
+    // Initialize any necessary components or features
+    console.log('Roof Drone Cleaning Website Loaded');
+
+    // Example: Smooth scroll for anchor links
+    const scrollLinks = document.querySelectorAll('a[href^="#"]');
+    scrollLinks.forEach(link => {
+        link.addEventListener('click', function(e) {
+            e.preventDefault();
+            const targetId = this.getAttribute('href');
+            const targetElement = document.querySelector(targetId);
+            targetElement.scrollIntoView({ behavior: 'smooth' });
+        });
+    });
+
+    // Additional functionality can be added here
+});