Markdown - docs update

Author: gvreddy04

docs/docs/05-components/markdown.mdx

@@ -19,6 +19,7 @@ Use Blazor Bootstrap Markdown component to add formatting, tables, images, and m
 
 | Name | Type | Default | Required | Description | Added Version |
 |:--|:--|:--|:--|:--|:--|
+| ChildContent | RenderFragment | null | ✔️ | Gets or sets the content to be rendered within the component. | 3.1.0 |
 | TableCssClass | string? | `table` | | Gets or sets the CSS class for table. | 3.1.0 |
 | BlockquotesCssClass | string? | `blockquote` | | Gets or sets the CSS class for blockquotes. | 3.1.0 |