setup babel for node code example

Example 1: install babel command line

npm i -D @babel/core @babel/preset-env babel-loader

Example 2: 'babel-node' npm

npm install --save-dev @babel/node

Example 3: install babel language

$ sudo apt-cache search texlive french
 texlive-doc-fr - TeX Live: French documentation
 texlive-lang-french - TeX Live: French

$sudo apt-get install texlive-lang-french