Add AppData file to tarball: Closes #7420
Add AppData file to tarball: Closes #7420

mjog/geary,aatishnn/geary,tshikaboom/geary,githubnemo/geary,kpiwko/geary,mjog/geary,martinra/geary,rschroll/geary,jimbonator/geary,geekvigilante/geary,jimbonator/geary,mjog/geary,rschroll/geary,emersion/geary,glebihan/geary,AtticHacker/geary,githubnemo/geary,AtticHacker/geary,tshikaboom/geary,martinra/geary,emersion/geary,robol/geary,AtticHacker/geary,jimbonator/geary,aatishnn/geary,MohamedIM/geary-unofficial,glebihan/geary,abn/geary,martinra/geary,githubnemo/geary,mpdeimos/geary,robol/geary,tshikaboom/geary,emersion/geary,aatishnn/geary,glebihan/geary,robol/geary