add note about shotgun
add note about shotgun

bmizerany/sinatra,ganmacs/sinatra,frechei/sinatra,jkowens/sinatra,jenalgit/sinatra,kyontan/sinatra,nicoayala/sinatra,ABaldwinHunter/sinatra-classic,porras/sinatra,Rayheng/sinatra,dariubs/sinatra,eileencodes/sinatra,kumji/sinatra,jenalgit/sinatra,frechei/sinatra,dariubs/sinatra,emiliocorpus/sinatra,defsprite/sinatra,cyberid41/sinatra,midorineko/sinatra,lastcat/sinatra,kgrz/sinatra,Wirachmat/sinatra,midorineko/sinatra,siberianbear/sinatra,d-bot/sinatra,ktw1222/sinatra,trexnix/sinatra,emiliocorpus/sinatra,RosenDimov/sinatra,sethuster/sinatra,JonMidhir/sinatra,laplaceliu/sinatra,sinatra/sinatra,howtolearntocode/sinatra,ktw1222/sinatra,twanies/sinatra,howtolearntocode/sinatra,trexnix/sinatra,QLGu/sinatra,autopp/sinatra,guidohcosta/sinatra,marocchino/sinatra,DoraALin/sinatra,jkowens/sinatra,ganmacs/sinatra,defsprite/sinatra,JonRowe/sinatra,davydovanton/sinatra,autopp/sinatra,guidohcosta/sinatra,burningTyger/sinatra,mwpastore/sinatra,RosenDimov/sinatra,blambeau/sinatra,sinatra/sinatra,ABaldwinHunter/sinatra-classic,kyontan/sinatra,jkowens/sinatra,nju520/sinatra,Rayheng/sinatra,mwpastore/sinatra,nicoayala/sinatra,DoraALin/sinatra,laplaceliu/sinatra,kumji/sinatra,davydovanton/sinatra,Callygraphy/morrissey,twanies/sinatra,JonMidhir/sinatra,lastcat/sinatra,cyberid41/sinatra,eileencodes/sinatra,JonRowe/sinatra,porras/sinatra,mwpastore/sinatra,siberianbear/sinatra,burningTyger/sinatra,QLGu/sinatra,gferguson-gd/sinatra,gferguson-gd/sinatra,nju520/sinatra,d-bot/sinatra,miyazawatomoka/sinatra,burningTyger/sinatra,wzheng1/sinatra,ksw2599/sinatra,ryanshaw/sinatra,ryanshaw/sinatra,JonMidhir/sinatra,ksw2599/sinatra,sethuster/sinatra,Wirachmat/sinatra,wzheng1/sinatra,miyazawatomoka/sinatra