HD app is the magic tool that allows the Happy Dev network to thrive in a decentralized way.

##Install (Ubuntu)
  * `git clone --recurse-submodules https://git.happy-dev.fr/happy-dev/hd-app.git`
  * `cd hd-app`
  * `apt install npm`
  * `npm install -g grunt-cli`
  * `npm install`

##Compile SASS
  * `grunt watch`