Rename excel classes

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

@@ -0,0 +1,24 @@
+package emu.grasscutter.data.excels;
+
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+
+@ResourceType(name = "WorldLevelExcelConfigData.json")
+public class WorldLevelData extends GameResource {
+	private int level;
+	private int monsterLevel;
+	    
+	@Override
+	public int getId() {
+		return this.level;
+	}
+
+	public int getMonsterLevel() {
+		return monsterLevel;
+	}
+
+	@Override
+	public void onLoad() {
+		
+	}
+}