Initial commit: KidsAI Explorer with complete functionality

- Complete KidsAI Explorer application
- Multi-language support (English/German)
- AI-powered educational guidance using OpenAI
- Interactive chat interface for children
- Proper placeholder translation fixes
- Mobile-responsive design
- Educational framework for critical thinking

favicon-16x16.png

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+  <defs>
+    <linearGradient id="grad16" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#667eea;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#764ba2;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  <circle cx="8" cy="8" r="7.5" fill="url(#grad16)" stroke="#4a5568" stroke-width="0.5"/>
+  <path d="M4 7c0-1.5 1-2.5 2.5-2.5s2.5 1 2.5 2.5c0.5-0.5 1.5 0 1.5 1s-0.5 1.5-1 1.5c0 1-1 2-2 2s-2-1-2-2c-0.5 0-1-0.5-1-1.5s1-1.5 1.5-1z" 
+        fill="#ffffff" opacity="0.9"/>
+  <circle cx="6" cy="6" r="0.5" fill="#ffd700" opacity="0.8"/>
+  <circle cx="10" cy="7" r="0.3" fill="#ffd700" opacity="0.6"/>
+</svg>