feat(user): 新增用户反馈提交功能

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

@@ -0,0 +1,12 @@
+package com.yolo.keyborad.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yolo.keyborad.model.entity.KeyboardFeedback;
+
+/*
+* @author: ziin
+* @date: 2025/12/17 17:06
+*/
+    
+public interface KeyboardFeedbackMapper extends BaseMapper<KeyboardFeedback> {
+}