add little documentation
add little documentation

dswarm/dswarm,dswarm/dswarm,knutwalker/dswarm,zazi/dswarm,dswarm/dswarm,zazi/dswarm,janpolowinski/dswarm,knutwalker/dswarm,janpolowinski/dswarm,philbritton/dswarm,philbritton/dswarm,zazi/dswarm,knutwalker/dswarm,philbritton/dswarm