static Option <string> GetDirectoryReadme(IContentProvider provider, ContentPath path)
{
var candidates = new[] { "Readme.md", "Index.md" };
var markdown = candidates
.Select(_ => GetText(provider, path.CatDir(_)))
.FirstOrNone();
return(markdown);
}
static ContentPath GetChildPath(ContentPath p, FileSystemInfo c)
{
return(p.CatDir(c.Name));
}