First release

What's already done:

• Config support, saving cart to YAML file and several languages (currently RU/EN)
• Reload with /betterdonate reload
• Support for different types of products with customization of commands for issuing:
  • donate-group (e.g. LuckPerms)
  • money (e.g. Vault)
  • tokens (e.g. PlayerPoints)
  • own commands
• Customize commands that executed on getting purchases by player.
• Notification of the player about not picked up purchases when logging in to the server

TODO:

• Discord webhook