Update quasar-upgrade-guide.md (#350)
Update quasar-upgrade-guide.md (#350)


rstoenescu/quasar-site,quasarframework/quasar-framework.org,quasarframework/quasar-framework.org,rstoenescu/quasar-site,rstoenescu/quasar-site,quasarframework/quasar-framework.org