Added optional rendering of code block titles (#148)

Geoffrey Garrett

2022-07-01 d3e20b8b94c9229e94fccbe54c867efde6847c6e

 config.toml

@@ -31,3 +31,5 @@
    [frontmatter]
        lastmod = ["lastmod", ":git", "date", "publishDate"]
        publishDate = ["publishDate", "date"]
    [markup.goldmark.renderer]
        unsafe = true