setup followed for vs-code: (see: https://www.youtube.com/watch?v=IdhnP00Y1Ks)
- shift + cmd + p : > Julia start REPL
- in integrated terminal, press ] to switch from Julia> to pkg> (press backspace to return)
- type 'activate .' to activate new environment
- when in pkg> writing add {pkg name} will add package
- click 'Julia env: v.. in status bar at bottom of screen, and select the julia envionment as the active environment for this window, so code completion etc. will all work