Update design document Revise 'Development Tools and Setup' section to account for the dev/ folder.
Update design document
Revise 'Development Tools and Setup' section to account for the dev/ folder.

a-pasquale/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,a-pasquale/evergreen-mobile-opac,a-pasquale/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,tectronics/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac,stevenyvr987/evergreen-mobile-opac