added .gitkeep to make sure dist/ directory exists
added .gitkeep to make sure dist/ directory exists

mrpau/kolibri,learningequality/kolibri,indirectlylit/kolibri,lyw07/kolibri,indirectlylit/kolibri,learningequality/kolibri,indirectlylit/kolibri,lyw07/kolibri,mrpau/kolibri,mrpau/kolibri,indirectlylit/kolibri,lyw07/kolibri,mrpau/kolibri,lyw07/kolibri,learningequality/kolibri,learningequality/kolibri