Format your elixir code automatically using mix format, by simply installing this extension and configuring it to be
the default formatter for elixir, if it is not already chosen by default.
If the editor.formatOnSave setting in Visual Studio Code is set, then the elixir file that is being edited will be formatted automatically on saving.
By default, this extension runs mix format using the workspace root directory as the working directory. The following
options are available for the user to configure, in settings.json: