Exibir código-fonte para Etcher

Página do Programa
* https://etcher.io/
* https://github.com/resin-io/etcher

== instalando no Ubuntu 16.04 ==
<source lang="bash">
echo deb https://dl.bintray.com/resin-io/debian stable etcher | sudo tee -a /etc/apt/sources.list.d/etcher.list
sudo apt-key adv --keyserver hkp://pgp.mit.edu:80 --recv-keys 379CE192D401AB61
sudo apt-get update
sudo apt-get install etcher-electron
</source>