Visualize information related to Covid-19 for Japan
npm install -g firebase-tools
firebase login
firebase serve
firebase deploy
https://covid-19-japan.firebaseapp.com/
https://www.mhlw.go.jp/content/10906000/000611439.pdf
https://www.mhlw.go.jp/content/10906000/000612050.pdf
https://catalog.data.metro.tokyo.lg.jp/dataset/t000010d0000000068