添加对 Core 的直接引用

RhythmBaseCore/Adofai/Events/ADFreeRoamTwirl.cs

@@ -0,0 +1,15 @@
+using System;
+namespace RhythmBase.Adofai.Events
+{
+	public class ADFreeRoamTwirl : ADBaseTileEvent
+	{
+		public ADFreeRoamTwirl()
+		{
+			Type = ADEventType.FreeRoamTwirl;
+		}
+
+		public override ADEventType Type { get; }
+
+		public int Position { get; set; }
+	}
+}