docs(bottom-navigation): update docs

Author: chouchouji

packages/varlet-ui/src/bottom-navigation/docs/en-US.md

@@ -204,6 +204,7 @@ const active = ref(0)
 | `placeholder` ***3.2.11***  | Whether to generate placeholder elements of the same height at the bottom (`fixed` required)  | _boolean_ | `false` |
 | `fab-props`     | Fab button props                                    | _ButtonProps_ | `{ type: 'primary' }` |
 | `variant` ***3.2.0***      | Variant mode | _boolean_ | `false` |
+| `animated` ***3.13.1*** | Whether to enable content switching animation | _boolean_ | `true` |
 
 #### BottomNavigationItem Props
 

packages/varlet-ui/src/bottom-navigation/docs/zh-CN.md

@@ -206,6 +206,7 @@ const active = ref(0)
 | `placeholder`  ***3.2.11***   | 是否在底部生成相同高度的占位元素(需设置 `fixed`)  | _boolean_ | `false` |
 | `fab-props`      | 悬浮按钮属性          | _ButtonProps_ | `{ type: 'primary' }` |
 | `variant` ***3.2.0***      | 变体模式          | _boolean_ | `false` |
+| `animated` ***3.13.1*** | 是否启用内容切换动画 | _boolean_ | `true` |
 
 #### BottomNavigationItem Props