Rename excel classes

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

@@ -0,0 +1,23 @@
+package emu.grasscutter.data.excels;
+
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+
+@ResourceType(name = "AvatarFettersLevelExcelConfigData.json")
+public class AvatarFetterLevelData extends GameResource {
+	private int fetterLevel;
+	private int needExp;
+	
+	@Override
+	public int getId() {
+		return this.fetterLevel;
+	}
+	
+	public int getLevel() {
+		return fetterLevel;
+	}
+	
+	public int getExp() {
+		return needExp;
+	}
+}