Rename excel classes

src/main/java/emu/grasscutter/data/excels/AvatarCostumeData.java

@@ -0,0 +1,30 @@
+package emu.grasscutter.data.excels;
+
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+
+@ResourceType(name = "AvatarCostumeExcelConfigData.json")
+public class AvatarCostumeData extends GameResource {
+	private int costumeId;
+	private int itemId;
+    private int avatarId;
+	    
+	@Override
+	public int getId() {
+		return this.costumeId;
+	}
+	
+	public int getItemId() {
+		return this.itemId;
+	}
+
+	public int getAvatarId() {
+		return avatarId;
+	}
+	
+	@Override
+	public void onLoad() {
+		GameData.getAvatarCostumeDataItemIdMap().put(this.getItemId(), this);
+	}
+}