docs(announcement): 添加客户黑名单数据的类型注释

src/views/announcement/mixins/announcementIndex.js

@@ -495,6 +495,10 @@ export default {
                     ? this.calculateRolesMask(row.visibleRoles)
                     : (row.visibleRoles || 7); // 默认所有角色可见
 
+                /**
+                 * 过滤后的客户黑名单数据
+                 * @type {Array<CustomerRecord>}
+                 */
                 const updateCustomerBlacklist = this.currentCustomerBlacklist.filter(customer => {
                     const ids = row.customerBlacklist.map(customer => customer.id);
                     return ids.includes(customer.id);