Update 51-fig.md
Update 51-fig.md

Changed initialize command to use cli instead of web
Silver90/app,janatzend/app,phundament/app,philippfrenzel/app,phundament/app,myorb/pmyapp,Silver90/app,myorb/bookapp,davidfang/app,janatzend/app,myorb/pmyapp,davidfang/app,myorb/pmyapp,myorb/bookapp,philippfrenzel/app,philippfrenzel/app,Silver90/app,davidfang/app,janatzend/app,myorb/bookapp,phundament/app,myorb/pmyapp