Add comprehensive page management system to admin dashboard

Features added:
- Database schema for pages and media files with content types (Rich Text, HTML, Markdown)
- Admin API routes for full page CRUD operations
- Image upload functionality with file management
- Rich text editor using TinyMCE with image insertion
- Admin interface for creating/editing pages with SEO options
- Dynamic navigation and footer integration
- Public page display routes with proper SEO metadata
- Support for featured images and content excerpts

Admin features:
- Create/edit/delete pages with rich content editor
- Upload and manage images through media library
- Configure pages to appear in navigation or footer
- Set page status (Draft, Published, Archived)
- SEO title and description management
- Real-time preview of content changes

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

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

package.json

@@ -39,6 +39,7 @@
     "@radix-ui/react-tabs": "^1.1.13",
     "@radix-ui/react-toast": "^1.2.15",
     "@tailwindcss/postcss": "^4.1.13",
+    "@tinymce/tinymce-react": "^6.3.0",
     "@types/node": "^24.5.2",
     "@types/pdf-parse": "^1.1.5",
     "@types/pg": "^8.15.5",
@@ -68,6 +69,7 @@
     "socket.io-client": "^4.8.1",
     "tailwind-merge": "^3.3.1",
     "tailwindcss": "^4.1.13",
+    "tinymce": "^8.1.2",
     "typescript": "^5.9.2",
     "zod": "^3.25.76",
     "zustand": "^5.0.8"