fix: copy code block logic for non code pages

Jacky Zhao

2022-07-03 aaf31f419eb167dbb7582fb103be29f0bef95ba9

 config.toml

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