feat(oa): 新增奖金池分配功能

- 新增奖金池分配实体类 OaBonusAllocation 及其相关业务对象
- 实现奖金池分配的增删改查接口和服务层逻辑- 添加奖金池分配的控制器和Mapper配置
- 移除奖金池中的总金额和剩余金额字段及相关逻辑
- 更新Excel导出和导入注解以支持新字段展示

ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBonusAllocationMapper.java

@@ -0,0 +1,15 @@
+package com.ruoyi.oa.mapper;
+
+import com.ruoyi.oa.domain.OaBonusAllocation;
+import com.ruoyi.oa.domain.vo.OaBonusAllocationVo;
+import com.ruoyi.common.core.mapper.BaseMapperPlus;
+
+/**
+ * 奖金池分配（记录奖金池向用户的分配比例及金额）Mapper接口
+ *
+ * @author ruoyi
+ * @date 2025-10-24
+ */
+public interface OaBonusAllocationMapper extends BaseMapperPlus<OaBonusAllocationMapper, OaBonusAllocation, OaBonusAllocationVo> {
+
+}