1.1.0

• Added display_type field with image as an option for rendering images in shops
• Added image field to trades
• Added image_description field to trades
• Added back button to shop when coming from a selector
• Added ability to register selectors that can be opened via /openselector @p name https://github.com/Chakyl/society-trading/wiki/Tutorial:-Creating-and-Using-Shops#custom-selector-definition