===》 Add coin system

--- ver 1.2

===》 Fixed a memory leak stack caused by a scoreboard refresh issue
===》 Fixed a memory leak that could result in creating a map
===》 Removing the protected area setting and changing it to whether or not to choose a class requires both sides to choose a class before they can fight, otherwise they cannot attack and cause damage

--- ver 1.0.1

===> It has the most basic functions of the kitpvp plugin

---ver 1.0.0

===》 Remove API
===》 Fix bungee mode bug
===》 Fix some bugs
===》 Add some custom key

--- ver 1.1.0