Efy

Add piglin bartering event

7

### Description Adds support for the [PiglinBarterEvent](https://hub.spigotmc.org/javadocs/spigot/org/bukkit/event/entity/PiglinBarterEvent.html) and adds the `barter input` and `barter output` expressions. --- **Target Minecraft Versions:** 1.16.5+ (event was added in Spigot 1.16.5) **Requirements:** none **Related...