update the documentation for the shopSummary feature.

Author: amittkSharma

site/docs/en-US/select.md

@@ -444,6 +444,7 @@ render() {
 |---------- |-------------- |---------- |--------------------------------  |-------- |
 | value | set value | any | — | — |
 | multiple | whether multiple-select is activated | boolean | — | false |
+| summaryView | To show all selected items in multiple select or as summary | boolean | — | false |
 | disabled | whether Select is disabled | boolean | — | false |
 | size | size of Input | string | large/small/mini | — |
 | clearable | whether single select can be cleared | boolean | — | false |

site/docs/zh-CN/select.md

@@ -441,6 +441,7 @@ render() {
 |---------- |-------------- |---------- |--------------------------------  |-------- |
 | value | set value | any | — | — |
 | multiple | 是否多选 | boolean | — | false |
+| summaryView | To show all selected items in multiple select or as summary | boolean | — | false |
 | disabled | 是否禁用 | boolean | — | false |
 | clearable | 单选时是否可以清空选项 | boolean | — | false |
 | name | select input 的 name 属性 | string | — | — |