feat：分类编辑添加藏品故事

src/views/mall/category.vue

@@ -200,6 +200,13 @@
             <i v-else class="el-icon-plus avatar-uploader-icon" />
           </el-upload>
         </el-form-item>
+        <el-form-item label="藏品故事" prop="nameSrc">
+          <el-input
+            v-model="dataForm.introduction"
+            :rows="6"
+            type="textarea"
+            placeholder="请输入商品故事"/>
+        </el-form-item>
       </el-form>
       <div slot="footer" class="dialog-footer">
         <el-button @click="dialogFormVisible = false">取消</el-button>