Add PostgreSQL support with SQLite/Postgres database compatibility layer

- Add dbGet/dbAll helper functions for database-agnostic queries
- Add toDbBool/convertBooleansForDb for boolean type conversion
- Add toDbDate/getNow for timestamp type handling
- Add generateId that returns UUID for Postgres, nanoid for SQLite
- Update all routes to use compatibility helpers
- Add normalizeEvent to return clean number types from Postgres decimal
- Add formatPrice utility for consistent price display
- Add legal pages admin interface with RichTextEditor
- Update carousel images
- Add drizzle migration files for PostgreSQL

frontend/package.json

@@ -10,6 +10,10 @@
   },
   "dependencies": {
     "@heroicons/react": "^2.1.4",
+    "@tiptap/extension-placeholder": "^3.18.0",
+    "@tiptap/pm": "^3.18.0",
+    "@tiptap/react": "^3.18.0",
+    "@tiptap/starter-kit": "^3.18.0",
     "clsx": "^2.1.1",
     "html5-qrcode": "^2.3.8",
     "next": "^14.2.4",