Complete Docker migration with Next.js 15 and cleaned design

- Migrated from Express.js to Next.js 15 with TypeScript
- Added Docker Compose v2 with multi-stage builds
- Implemented Docker Bake support for improved builds
- Created professional component structure with Tailwind CSS
- Added enhanced visual design with glass morphism effects
- Improved responsive layout and better UX flow
- Updated all dependencies and configurations
- Added proper TypeScript types and modern practices
- Created development scripts for easy container management
- Cleaned up excessive animations for better user experience

start.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+# KidsAI Explorer - Docker Startup Script
+# This script helps you get started with the containerized Next.js application
+
+set -e
+
+echo "🚀 KidsAI Explorer - Docker Setup"
+echo "=================================="
+
+# Check if Docker is running
+if ! docker info >/dev/null 2>&1; then
+    echo "❌ Error: Docker is not running. Please start Docker first."
+    exit 1
+fi
+
+# Check if .env file exists
+if [ ! -f .env ]; then
+    echo "📝 Creating .env file from template..."
+    cp .env.example .env
+    echo "⚠️  Please edit .env file and add your API keys before continuing."
+    echo "   You can get OpenAI API key from: https://platform.openai.com/api-keys"
+    echo ""
+    echo "Would you like to continue with the default setup? (y/n)"
+    read -r response
+    if [[ ! "$response" =~ ^[Yy]$ ]]; then
+        echo "Please edit .env and run this script again."
+        exit 1
+    fi
+fi
+
+echo ""
+echo "🐳 Building and starting KidsAI Explorer..."
+echo ""
+
+# Build and start the containers
+docker compose down --remove-orphans 2>/dev/null || true
+docker compose up --build -d
+
+echo ""
+echo "📦 Waiting for the application to start..."
+sleep 10
+
+# Check if the container is running
+if docker compose ps | grep -q "Up"; then
+    echo ""
+    echo "✅ KidsAI Explorer is now running!"
+    echo ""
+    echo "🌐 Access the application at: http://localhost:3000"
+    echo ""
+    echo "📋 Useful commands:"
+    echo "   View logs:     docker compose logs -f"
+    echo "   Stop app:      docker compose down"
+    echo "   Restart:       docker compose restart"
+    echo "   Rebuild:       docker compose up --build"
+    echo ""
+    echo "🔧 For development:"
+    echo "   Enter container: docker compose exec app sh"
+    echo "   View processes:  docker compose ps"
+    echo ""
+else
+    echo "❌ Error: Application failed to start."
+    echo "View logs with: docker compose logs"
+    exit 1
+fi