code review：产品分类

src/api/crm/productCategory/index.ts

 import request from '@/config/axios'
 
+// TODO @zange：挪到 product 下，建个 category 包，挪进去哈；
 export interface ProductCategoryVO {
   id: number
   name: string

src/views/crm/product/ProductForm.vue

 <template>
   <Dialog :title="dialogTitle" v-model="dialogVisible">
+    <!-- TODO @zange：改成每行两个哈； -->
     <el-form
       ref="formRef"
       :model="formData"

src/views/crm/productCategory/index.vue

 <template>
+  <!-- TODO @zange：挪到 product 下，建个 category 包，挪进去哈； -->
   <ContentWrap>
     <!-- 搜索工作栏 -->
     <el-form