!21417 翻译完成 21035+21129：checkbox文档修正+修改richtext文档示例代码

Merge pull request !21417 from ester.zhou/TR-21035

en/application-dev/reference/arkui-ts/ts-basic-components-richtext.md

@@ -67,7 +67,7 @@ struct RichTextExample {
   '<h2 style="text-align: center;">h2 heading</h2>' +
   '<h3 style="text-align: center;">h3 heading</h3>' +
   '<p style="text-align: center;">Regular paragraph</p><hr/>' +
-  '<div style="width: 500px;height: 500px;border: 1px solid;margin: 0auto;">' +
+  '<div style="width: 500px;height: 500px;border: 1px solid;margin: 0 auto;">' +
   '<p style="font-size: 35px;text-align: center;font-weight: bold; color: rgb(24,78,228)">Font size: 35px; line height: 45px</p>' +
   '<p style="background-color: #e5e5e5;line-height: 45px;font-size: 35px;text-indent: 2em;">' +
   '<p>This is text. This is text. This is text. This is text. This is text. This is text. This is text. This is text. This is text.</p>';

en/application-dev/reference/arkui-ts/ts-basic-components-toggle.md

@@ -31,7 +31,7 @@ Since API version 9, this API is supported in ArkTS widgets.
 
 | Name      | Description                |
 | -------- | ---------------- |
-| Checkbox | Check box type.<br>**NOTE**<br>The default value of the universal attribute [margin](ts-universal-attributes-size.md) is as follows:<br>{<br> top: 12 px,<br> right: 12 px,<br> bottom: 12 px,<br> left: 12 px<br> } |
+| Checkbox | Check box type.<br>**NOTE**<br>The default value of the universal attribute [margin](ts-universal-attributes-size.md) is as follows:<br>{<br> top: 14 px,<br> right: 14 px,<br> bottom: 14 px,<br> left: 14 px<br> } |
 | Button   | Button type. The set string, if any, will be displayed inside the button.      |
 | Switch   | Switch type.<br>**NOTE**<br>The default value of the universal attribute [margin](ts-universal-attributes-size.md) is as follows:<br>{<br> top: 6px,<br> right: 14px,<br> bottom: 6 px,<br> left: 14 px<br> } |