Install tools to compile WebApp

> sudo apt install npm
...
> sudo npm install [email protected] -g
...
> sudo npm install -g react-scripts
...

Check https://classic.yarnpkg.com/en/docs/install#debian-stable, how to install yarn.

> curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
> sudo apt update && sudo apt install yarn
> sudo yarn add react
...
> sudo yarn upgrade caniuse-lite browserslist
> sudo yarn add react-dom