fancydialogs: Add DialogButtonClickedEvent

plugins/fancydialogs/fd-api/src/main/java/com/fancyinnovations/fancydialogs/api/events/DialogButtonClickedEvent.java

@@ -0,0 +1,40 @@
+package com.fancyinnovations.fancydialogs.api.events;
+
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class DialogButtonClickedEvent extends Event {
+
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final Player player;
+    private final String dialogId;
+    private final String buttonId;
+
+    public DialogButtonClickedEvent(@NotNull Player player, @NotNull String dialogId, @NotNull String buttonId) {
+        super(!Bukkit.isPrimaryThread());
+        this.player = player;
+        this.dialogId = dialogId;
+        this.buttonId = buttonId;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+
+    public String getDialogId() {
+        return dialogId;
+    }
+
+    public String getButtonId() {
+        return buttonId;
+    }
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return handlerList;
+    }
+}