docs(module:input-number): add nzKeyboard description (#9317)

Author: HyperLife1119

components/input-number/doc/index.en-US.md

@@ -15,7 +15,7 @@ When a numeric value needs to be provided.
 
 ### nz-input-number
 
-| property           | description                                                                     | type                                                                    | default                                                                                                                             |
+| Property           | Description                                                                     | Type                                                                    | Default                                                                                                                             |
 | ------------------ | ------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------- |
 | `[ngModel]`        | current value, two way binding                                                  | `number`                                                                | -                                                                                                                                   |
 | `[nzId]`           | ID of the input box                                                             | `string`                                                                | -                                                                                                                                   |
@@ -26,6 +26,7 @@ When a numeric value needs to be provided.
 | `[nzControls]`     | whether to show up and down buttons                                             | `boolean`                                                               | `true`                                                                                                                              |
 | `[nzDisabled]`     | whether to disable                                                              | `boolean`                                                               | `false`                                                                                                                             |
 | `[nzFormatter]`    | specify the format of the displayed value                                       | `(value: number) => string`                                             | -                                                                                                                                   |
+| `[nzKeyboard]`     | Whether to enable keyboard shortcuts                                            | `boolean`                                                               | `true`                                                                                                                              |
 | `[nzMax]`          | maximum value                                                                   | `number`                                                                | [Number.MAX_SAFE_INTEGER](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER) |
 | `[nzMin]`          | minimum value                                                                   | `number`                                                                | [Number.MIN_SAFE_INTEGER](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER) |
 | `[nzParser]`       | specify how to convert back to a number from `formatter`, used with `formatter` | `(value: string) => number`                                             | -                                                                                                                                   |

components/input-number/doc/index.zh-CN.md

@@ -16,7 +16,7 @@ description: 通过鼠标或键盘，输入范围内的数值。
 
 ### nz-input-number
 
-| 成员               | 说明                                                           | 类型                                                                    | 默认值                                                                                                                              |
+| 参数               | 说明                                                           | 类型                                                                    | 默认值                                                                                                                              |
 | ------------------ | -------------------------------------------------------------- | ----------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------- |
 | `[ngModel]`        | 当前值，可双向绑定                                             | `number`                                                                | -                                                                                                                                   |
 | `[nzId]`           | 输入框的 ID                                                    | `string`                                                                | -                                                                                                                                   |
@@ -27,6 +27,7 @@ description: 通过鼠标或键盘，输入范围内的数值。
 | `[nzControls]`     | 是否显示增减按钮                                               | `boolean`                                                               | `true`                                                                                                                              |
 | `[nzDisabled]`     | 是否禁用                                                       | `boolean`                                                               | `false`                                                                                                                             |
 | `[nzFormatter]`    | 指定输入框展示值的格式                                         | `(value: number) => string`                                             | -                                                                                                                                   |
+| `[nzKeyboard]`     | 是否启用键盘快捷行为                                           | `boolean`                                                               | `true`                                                                                                                              |
 | `[nzMax]`          | 最大值                                                         | `number`                                                                | [Number.MAX_SAFE_INTEGER](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER) |
 | `[nzMin]`          | 最小值                                                         | `number`                                                                | [Number.MIN_SAFE_INTEGER](https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER) |
 | `[nzParser]`       | 指定从 `formatter` 里转换回数字的方式，和 `formatter` 搭配使用 | `(value: string) => number`                                             | -                                                                                                                                   |