[DOC] Adding a simple readme.

install/docker/README.md

-Docker installation
+# Gargantext Installation
 
-## Quick Manual
-## Install docker.io && sudo
-## sudo docker build -t gargantext .
-## docker run -i -t gargantext /bin/bash
+## OS
 
-# Install Docker
-# Debian/Ubuntu: apt-get install docker
+## Debian Stretch
+See install/debian
 
-# run turboparser port, with python 3.4
-#docker run -d -p 8000:8000 -v /srv:/srv -t gargantext python /srv/gargantext/gargantext.py
+If you do not have a Debian environment, then install docker and 
+execute /srv/gargantext/install/docker/dev/install.sh
+
+You need a docker image.
+All the steps are explained in docker/dev/install.sh (not automatic yet).
+
+Bug reports are welcome.
 
 
-For dev: cd dev and run install
-Fro prod : install dev-version, cd prod and run install