Add de_CH in locales of thank you letter
Add de_CH in locales of thank you letter

eicher31/compassion-modules,eicher31/compassion-modules,maxime-beck/compassion-modules,CompassionCH/compassion-modules,ecino/compassion-modules,CompassionCH/compassion-modules,maxime-beck/compassion-modules,CompassionCH/compassion-modules,ecino/compassion-modules,CompassionCH/compassion-modules,ecino/compassion-modules,ecino/compassion-modules,maxime-beck/compassion-modules,eicher31/compassion-modules,eicher31/compassion-modules,eicher31/compassion-modules,ecino/compassion-modules,maxime-beck/compassion-modules