updated screenshot for greenbutton instructions
updated screenshot for greenbutton instructions


Former-commit-id: 2a3fa3eb73ebaaa3ddbfdad0795c4136f185af17
Former-commit-id: a8e06c7ee5b16dccb7b49850c5707462db52a10c
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy