Plugins SponsoredSlots | Player Advertisements | [1.19 - 1.21.1] v1.4.1

- Fixed an issue that prevented the plugin from loading.

- Drop support for anything below 1.19
- Add MiniMessage support for all messages.
- Add support for 1.20, 1.21, & 1.21.1


WARNING
The next update will break all plugins using the API as I will be changing internal package names! More information will be posted in that update.