add yamm dependency
add yamm dependency

manuelroth/styleguide,RolandStuder/styleguide,swiss/styleguide,ComperioAG/styleguide_geologieportal,ComperioAG/styleguide_geologieportal,ComperioAG/styleguide_mont-terri,RolandStuder/styleguide,RolandStuder/styleguide,manuelroth/styleguide,swiss/styleguide,ComperioAG/styleguide_mont-terri,manuelroth/styleguide