Changes

Summary

1. add player list header footer API (commit: 4904bd3) (details)

Commit 4904bd34aac00f3010c6a17dfe5844b6dcfc2a32 by Flo.e3 add player list header footer API (commit: 4904bd3)
	rainbow/src/main/java/org/projectrainbow/OfflinePlayerWrapper.java (diff)
	rainbow/src/main/java/org/projectrainbow/mixins/MixinEntityPlayerMP.java (diff)
	rainbow/src/main/resources/mixins.json (diff)
	rainbow/src/main/java/org/projectrainbow/interfaces/IMixinSPacketPlayerListHeaderFooter.java
	PluginExample/src/main/java/PluginExample/MyPlugin.java (diff)
	rainbow/src/main/java/org/projectrainbow/mixins/MixinSPacketPlayerListHeaderFooter.java
	PluginReference/src/main/java/PluginReference/MC_Player.java (diff)