✓ Created 6 new coloring pages!

Complete list:
1. shelby-township.php
2. michigan-lighthouse.php
3. michigan-map.php (NEW)
4. great-lakes.php (NEW)
5. mackinac-bridge.php (NEW)
6. detroit-skyline.php (NEW)
7. cherry-tree.php (NEW)
8. american-robin.php (NEW)

All pages have:
- Interactive click-to-color
- 18-color palette
- Print function
- PNG download
- PDF download with AppWT branding
- Clear all button

✓ DONE!