Copy to clipboard feature for code block (#152)

Geoffrey Garrett

2022-07-03 f54df35767dcda9bc4853decff86d57323593685

 config.toml

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