https://pragmaticstudio.com/tutorials/formatting-heex-templates-in-vscode
Formatting Phoenix HEEx Templates in VS Code
A modern, straightforward way to auto-format HEEx templates in VS Code.
in vs codeformattingphoenixheextemplates
https://kate-editor.org/syntax/data/html/highlight.heex.dark.html
highlight.heex
highlightheex