note youtube in the README
note youtube in the README

uilab-github/slask,shawnsi/limbo,kylemsguy/limbo,llimllib/limbo,joshshadowfax/slask,NUKnightLab/slask,TetraEtc/limbo,wmv/slackbot-python,dorian1453/limbo,rizaon/limbo,UnILabKAIST/slask,mmisiewicz/slask,akatrevorjay/slask,serverdensity/sdbot,sentinelleader/limbo,uilab-github/slask,palachu/sdbot,llimllib/limbo,TetraEtc/limbo,ruhee/limbo,michaelMinar/limbo,signalnine/alanabot,kesre/slask,freshbooks/limbo,Marclass/limbo,Whirlscape/debt-bot,cmyr/debt-bot