[DOCUMENTATION] psc-package, readme, contributing.

CONTRIBUTING.md

+#+Title: Contributing
+
+yarn first then psc-package are used to manage dependencies
+
+to build use ./build
+to rebuild (after a major upgrade) use ./rebuild
+to add a new dependency: psc-package install PACKAGE
+
+use git, commit and pull request :)

README.md

+# Gargantext Purescript
+
+## About this project
+
+Gargantext is a collaborative web platform for the exploration of sets
+of unstructured documents. It combines tools from natural language
+processing, text-mining, complex networks analysis and interactive data
+visualization to pave the way toward new kinds of interactions with your
+digital corpora.
+
+This software is a free software, developed by the CNRS Complex Systems
+Institute of Paris Île-de-France (ISC-PIF) and its partners.
+
+## Installation of this library
+
+### Dependencies warning
+This library purescript-gargantext is the Front End part of Gargantext.
+you need the backend (haskell-gargantext) installation too.
+
+### Installation steps
+
+1. Add nodes_modules/.bin to your path
+2. Execute ./build
+
+## Note to the contributors
+
+Please follow CONTRIBUTING.md

build

+#!/bin/bash
+
+yarn install && psc-package install && pulp --psc-package build && pulp --psc-package browserify --to dist/bundle.js

rebuild

 #!/bin/bash
 
 rm -rf output bower_components node_modules
-bower install && yarn install && pulp build && pulp browserify --to dist/bundle.js
-# yarn install && psc-package install && pulp --psc-package build && pulp --psc-package browserify --to dist/bundle.js
+./build