Update README.ja.md
Update README.ja.md

As melborne said, I forgot to translate the link title…! sorry!
JonMidhir/sinatra,sethuster/sinatra,davydovanton/sinatra,JonRowe/sinatra,kumji/sinatra,ktw1222/sinatra,ABaldwinHunter/sinatra-classic,ganmacs/sinatra,siberianbear/sinatra,midorineko/sinatra,burningTyger/sinatra,laplaceliu/sinatra,RosenDimov/sinatra,sinatra/sinatra,d-bot/sinatra,dariubs/sinatra,Wirachmat/sinatra,guidohcosta/sinatra,cyberid41/sinatra,frechei/sinatra,lastcat/sinatra,sethuster/sinatra,porras/sinatra,JonRowe/sinatra,dariubs/sinatra,porras/sinatra,trexnix/sinatra,jkowens/sinatra,nju520/sinatra,lastcat/sinatra,burningTyger/sinatra,ryanshaw/sinatra,jkowens/sinatra,mwpastore/sinatra,DoraALin/sinatra,emiliocorpus/sinatra,emiliocorpus/sinatra,marocchino/sinatra,wzheng1/sinatra,howtolearntocode/sinatra,cyberid41/sinatra,eileencodes/sinatra,frechei/sinatra,jenalgit/sinatra,nicoayala/sinatra,Rayheng/sinatra,d-bot/sinatra,ktw1222/sinatra,RosenDimov/sinatra,QLGu/sinatra,mwpastore/sinatra,davydovanton/sinatra,autopp/sinatra,miyazawatomoka/sinatra,laplaceliu/sinatra,JonMidhir/sinatra,ksw2599/sinatra,midorineko/sinatra,jkowens/sinatra,burningTyger/sinatra,QLGu/sinatra,kyontan/sinatra,gferguson-gd/sinatra,defsprite/sinatra,kyontan/sinatra,ryanshaw/sinatra,gferguson-gd/sinatra,autopp/sinatra,kumji/sinatra,ksw2599/sinatra,sinatra/sinatra,ABaldwinHunter/sinatra-classic,JonMidhir/sinatra,nju520/sinatra,guidohcosta/sinatra,ganmacs/sinatra,defsprite/sinatra,siberianbear/sinatra,Rayheng/sinatra,nicoayala/sinatra,DoraALin/sinatra,trexnix/sinatra,wzheng1/sinatra,mwpastore/sinatra,jenalgit/sinatra,howtolearntocode/sinatra,miyazawatomoka/sinatra,Wirachmat/sinatra,eileencodes/sinatra