imporve reability/usability of dev env README.md
imporve reability/usability of dev env README.md

simonsdave/cloudfeaster_infrastructure,simonsdave/cloudfeaster_infrastructure,simonsdave/cloudfeaster_infrastructure,simonsdave/cloudfeaster-services,simonsdave/cloudfeaster_infrastructure,simonsdave/cloudfeaster-services,simonsdave/cloudfeaster-services