feat(oa): 新增月度记账、采购计划明细和供应商信息功能

- 添加了月度记账、采购计划明细和供应商信息的实体类、BO类、控制器、Mapper接口和XML文件- 实现了基本的CRUD操作，包括列表查询、导出、详情获取、新增、修改和删除
- 为采购计划明细和供应商信息添加了关联查询

gear-oa/src/main/resources/mapper/oa/GearMonthlyAccountMapper.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+    PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+    "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.gear.oa.mapper.GearMonthlyAccountMapper">
+
+    <resultMap type="com.gear.oa.domain.GearMonthlyAccount" id="GearMonthlyAccountResult">
+        <result property="accountId" column="account_id"/>
+        <result property="monthYear" column="month_year"/>
+        <result property="totalAmount" column="total_amount"/>
+        <result property="remark" column="remark"/>
+        <result property="delFlag" column="del_flag"/>
+        <result property="createTime" column="create_time"/>
+        <result property="createBy" column="create_by"/>
+        <result property="updateTime" column="update_time"/>
+        <result property="updateBy" column="update_by"/>
+    </resultMap>
+
+
+</mapper>