Retrieves a comprehensive list of amenities available across all properties in the system.
Amenities represent property features and facilities that enhance the guest experience.

Common Amenity Categories:

• Recreation: Pool, Gym, Spa, Tennis Court, Game Room
• Technology: Wi-Fi, Smart TV, Sound System, High-Speed Internet
• Convenience: Parking, Elevator, Concierge, Room Service
• Kitchen: Full Kitchen, Dishwasher, Coffee Machine, Barbecue
• Comfort: Air Conditioning, Heating, Fireplace, Balcony
• Safety: Security System, Safe, First Aid Kit, Smoke Detectors

Use Cases:

• Property search filters and advanced filtering options
• Property detail page amenity displays
• Comparison tools for property selection
• Marketing materials highlighting property features
• Mobile app amenity icons and descriptions

The returned amenities include multilingual names, descriptions, and category information
suitable for both filtering functionality and user-friendly display.