First, make sure code, the binary for Visual Studio Code, is on your $PATH,
this is the case if you can start the IDE by running code in a terminal. This
is the default on all systems except Mac where you'll need to follow these
instructions: https://code.visualstudio.com/docs/setup/mac#_command-line
If this is the case and your project successfully compiles with dotty, you can
simply use the launchIDE command provided by the sbt-dotty plugin: