Add FishHookStateChangeEvent (#12165)

paper-api/src/main/java/org/bukkit/entity/FishHook.java

@@ -1,6 +1,7 @@
 package org.bukkit.entity;
 
 import org.bukkit.inventory.EquipmentSlot;
+import io.papermc.paper.event.entity.FishHookStateChangeEvent;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -306,6 +307,7 @@ public interface FishHook extends Projectile {
 
     /**
      * Represents a state in which a fishing hook may be.
+     * State transitions can be listened for using {@link FishHookStateChangeEvent}
      */
     public enum HookState {
 

paper-api/src/main/java/org/bukkit/event/player/PlayerFishEvent.java

@@ -1,5 +1,6 @@
 package org.bukkit.event.player;
 
+import io.papermc.paper.event.entity.FishHookStateChangeEvent;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.FishHook;
 import org.bukkit.entity.Player;
@@ -12,6 +13,8 @@ import org.jetbrains.annotations.Nullable;
 
 /**
  * Thrown when a player is fishing
+ *
+ * <p>If you want to monitor a fishhooks state transition, you can use {@link FishHookStateChangeEvent}.</p>
  */
 public class PlayerFishEvent extends PlayerEvent implements Cancellable {