add tutorial guide

Common/Data/Excel/GuideExcel.cs

@@ -0,0 +1,21 @@
+using MikuSB.Data.Config;
+using Newtonsoft.Json;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("guide/guide.json")]
+public class GuideExcel : ExcelResource
+{
+    public uint ID { get; set; }
+    [JsonConverter(typeof(StringToUIntConverter))] public uint Group { get; set; }
+
+    public override uint GetId()
+    {
+        return (ID << 48) | (Group << 32);
+    }
+
+    public override void Loaded()
+    {
+        GameData.GuideData.TryAdd(GetId(), this);
+    }
+}