Demonstrates that Markdig Media links are not working when using relative links - appears they only work with http urls

Markdig-MediaLinks-LocalFiles-Bug.cs

void Main()
{
	var builder = new MarkdownPipelineBuilder()
			//.UseAdvancedExtensions()
		   .UseMediaLinks()
		   .Build();
var md = """
## Plain Image Link
![Image](TheArbiterOfTruth.png)

## Video
![Video](TheArbiterOfTruth.mp4)
![Video](https://sample.com/TheArbiterOfTruth.mp4)


## Audio
![Music](TheArbiterOfTruth.mp3)
""";


	var html = Markdown.ToHtml(md, builder);
	
	Console.WriteLine(html);
}