fix: make the handles static to the jvm

Author: darbyjack

src/main/kotlin/me/glaremasters/guilds/api/events/challenges/GuildWarEndEvent.kt

@@ -52,6 +52,7 @@ class GuildWarEndEvent(val challenger: Guild, val defender: Guild, val winner: G
         /**
          * The static list of event handlers for this event type.
          */
+        @JvmStatic
         val handlerList = HandlerList()
     }
 }

src/main/kotlin/me/glaremasters/guilds/api/events/challenges/GuildWarStartEvent.kt

@@ -50,6 +50,7 @@ class GuildWarStartEvent(val challenger: Guild, val defender: Guild) : Event() {
         /**
          * The static list of event handlers for this event type.
          */
+        @JvmStatic
         val handlerList = HandlerList()
     }
 }