ADDED:
- New shops folder with each shop broken into its own YML. Supports auto converting old shops.yml
- Unified Transaction GUI, replaces old Quantity Menu
- Fully configurable player_balance item type
- Fully configurable pagination and back buttons
- Creating new pages using gs edit
- Tab completion for gs commands
- Better Default configs
- /gs edit transaction command to edit transaction UI

FIXES:
- Better handling of pagination in editor mode
- Not able to configure balance or pagination buttons
- Cursor reset when entering a shop
- Enhanced the global Item Action Handler
- Adding item with a missing target-shop creates the new target shop config
- Enhanced Item Editor UI