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`
