update workflow tutorial - ssh keys for master pull
update workflow tutorial - ssh keys for master pull

Added a note regarding the need for SSH keys to be registered with github in order to use the given pull command, and the option to use https instead.
navotsil/Open-Knesset,Shrulik/Open-Knesset,otadmor/Open-Knesset,MeirKriheli/Open-Knesset,jspan/Open-Knesset,OriHoch/Open-Knesset,Shrulik/Open-Knesset,ofri/Open-Knesset,jspan/Open-Knesset,habeanf/Open-Knesset,habeanf/Open-Knesset,habeanf/Open-Knesset,navotsil/Open-Knesset,jspan/Open-Knesset,daonb/Open-Knesset,otadmor/Open-Knesset,alonisser/Open-Knesset,ofri/Open-Knesset,Shrulik/Open-Knesset,Shrulik/Open-Knesset,navotsil/Open-Knesset,alonisser/Open-Knesset,OriHoch/Open-Knesset,noamelf/Open-Knesset,OriHoch/Open-Knesset,OriHoch/Open-Knesset,noamelf/Open-Knesset,jspan/Open-Knesset,noamelf/Open-Knesset,DanaOshri/Open-Knesset,alonisser/Open-Knesset,daonb/Open-Knesset,MeirKriheli/Open-Knesset,MeirKriheli/Open-Knesset,DanaOshri/Open-Knesset,otadmor/Open-Knesset,otadmor/Open-Knesset,daonb/Open-Knesset,daonb/Open-Knesset,alonisser/Open-Knesset,DanaOshri/Open-Knesset,ofri/Open-Knesset,navotsil/Open-Knesset,ofri/Open-Knesset,noamelf/Open-Knesset,DanaOshri/Open-Knesset,habeanf/Open-Knesset,MeirKriheli/Open-Knesset