Implement automated scheduled publishing for blog

- Enhanced blog library to read from both posts/ and scheduled/ directories
- Added publishDate filtering with real-time checking (no cron jobs needed)
- Support for draft posts and recursive directory scanning
- Posts automatically appear when publishDate is reached
- Containerized solution that works without external scheduling
- Added publishDate field to blog types and updated existing scheduled post

Tested and verified:
✅ Past-dated posts appear automatically
✅ Future-dated posts remain hidden until publish time
✅ Draft posts are excluded regardless of date
✅ Maintains existing functionality for regular posts

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

dev-start.sh

@@ -20,8 +20,8 @@ if [ ! -d "node_modules" ]; then
 fi
 
 # Start the development server
-echo "🚀 Starting Next.js development server on port 3002..."
-echo "📝 Blog will be available at: http://localhost:3002"
+echo "🚀 Starting Next.js development server on port 3025..."
+echo "📝 Blog will be available at: http://localhost:3025"
 echo "🌍 Production URL will be: https://blog.chorus.services"
 echo ""
 echo "Press Ctrl+C to stop the server"