add dist/source to package definition
add dist/source to package definition

gencer/composer,naderman/composer,erasys/composer,fabpot/composer,nicolas-grekas/composer,floverdevel/composer,vdm-io/composer,remicollet/composer,balbuf/composer,MoT3rror/composer,curry684/composer,composer/composer,yaman-jain/composer,milleruk/composer,stefangr/composer,SpacePossum/composer,alcohol/composer,slbmeh/composer,dzuelke/composer,staabm/composer,till/composer,localheinz/composer,stof/composer,hirak/composer,fabiang/composer,pierredup/composer,jreinke/composer,johnstevenson/composer,andrerom/composer