refactor(common): 重构宠物相关信息结构

- 修改 PetInfo 和 PetEffectInfo 结构体，统一字段命名规范
- 更新 SkillInfo 结构体，增加技能等级字段
- 删除未使用的 LoginUserInfo 和 ServerInfo 结构体
- 引入 google/uuid 包，用于后续可能的唯一标识生成

common/core/info/map/PeopleWalkOutboundInfo.java

@@ -0,0 +1,24 @@
+package org.nieo.seerproject.common.net.info.map;
+
+import lombok.Data;
+import org.nieo.seerproject.common.annotations.FieldDescription;
+import org.nieo.seerproject.common.annotations.OutboundMessageType;
+import org.nieo.seerproject.common.annotations.serialize.AutoCodec;
+import org.nieo.seerproject.common.annotations.serialize.UInt;
+import org.nieo.seerproject.common.net.MessageCommandIDRegistry;
+import org.nieo.seerproject.common.net.OutboundMessage;
+import org.nieo.seerproject.common.structs.Point;
+
+@Data
+@AutoCodec
+@OutboundMessageType(MessageCommandIDRegistry.People_Walk)
+public class PeopleWalkOutboundInfo implements OutboundMessage {
+	@FieldDescription("0为走，1为飞行模式")
+	public @UInt long  flag;
+	@FieldDescription("走动的人的米米号")
+	public @UInt long  userID;
+	@FieldDescription("直接给坐标x，y")
+	public       Point point = new Point();
+	@FieldDescription("这个字段同C2S_People_Walk中的reserve2")
+	public       String  reserve2;
+}