feat(warning): 新增键盘告警消息实体及CRUD支持

src/main/java/com/yolo/keyborad/mapper/KeyboardWarningMessageMapper.java

@@ -0,0 +1,12 @@
+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardWarningMessage;
+
+/*
+* @author: ziin
+* @date: 2026/2/28 13:39
+*/
+    
+public interface KeyboardWarningMessageMapper extends BaseMapper<KeyboardWarningMessage> {
+}