feat(docs): add back the "update is available" PWA banner
feat(docs): add back the "update is available" PWA banner

quasarframework/quasar,pdanpdan/quasar,rstoenescu/quasar-framework,fsgiudice/quasar,rstoenescu/quasar-framework,fsgiudice/quasar,quasarframework/quasar,pdanpdan/quasar,quasarframework/quasar,pdanpdan/quasar,quasarframework/quasar,rstoenescu/quasar-framework,fsgiudice/quasar,pdanpdan/quasar