fix: the readme and make the code block scrollable

exampleSiteMultilingual/hugo.toml

@@ -156,13 +156,13 @@ author = "authors"
 defaultMarkdownHandler = 'goldmark'
 
 [markup.goldmark.renderer]
-unsafe = true
+unsafe = true # Enable unsafe mode to have a better experience
 
 [markup.highlight]
 anchorLineNos      = false
 codeFences         = true # tested with true and false. Both work.
 noClasses          = true # If you run with markup.highlight.noClasses=false in your site configuration, you need a style sheet.
-style              = 'base16-snazzy'
+style              = 'catppuccin-frappe' # Find more style at here: https://swapoff.org/chroma/playground/
 tabWidth           = 4
 
 [params.UmamiAnalytics]