Uses this extension to enable alert blocks.
public static MarkdownPipelineBuilder UseAlertBlocks(this MarkdownPipelineBuilder pipeline, Action<HtmlRenderer, StringSlice>? renderKind = null, bool allowNestedAlerts = false)
The pipeline.
Replace the default renderer for the kind with a custom renderer.
Allow alerts to be nested inside other blocks (e.g. inside a blockquote or a list item). Alerts inside another alert are never allowed. Default is false.