docs(config.md): Added short explainer on favicons

Geoffrey Garrett

2022-06-27 997937af5a6dc317da56ae294dce927ec5930a4b

 config.toml

@@ -30,4 +30,4 @@
        tabWidth = 4
    [frontmatter]
        lastmod = ["lastmod", ":git", "date", "publishDate"]
        publishDate = ["publishDate", "date"]
        publishDate = ["publishDate", "date"]