Update the Dev Env Config instructions
Update the Dev Env Config instructions

Update the Dev Env Config instructions to match the tutorial steps.
Esri/quickstart-map-ios,MichelleTessier/quickstart-map-ios,MichelleTessier/quickstart-map-ios,MichelleTessier/quickstart-map-ios,Esri/quickstart-map-ios,Esri/quickstart-map-ios