Mainly with reference to [[Javascript]]

.editorconfig

editorconfig.org

curl https://gist.githubusercontent.com/rikwatson/03b1567549cbcd6e8988c860ecbf862d/raw/.editorconfig > .editorconfig

.prettierrc

prettier.io

curl https://gist.githubusercontent.com/rikwatson/3993e023ef2357372e65c77b09e340f5/raw/.prettierrc > .prettierrc

Use via yarn add --dev prettier

In VSCode via prettier-vscode (CMD-P ext install esbenp.prettier-vscode)