Documentation: New `README.md` file.

1 files changed, 80 insertions, 21 deletions

diff --git a/README.md b/README.md
index 4989ed7..438af04 100644
--- a/README.md
+++ b/README.md
@@ -1,30 +1,63 @@
-![Hoa](http://static.hoa-project.net/Image/Hoa_small.png)
-
-Hoa is a **modular**, **extensible** and **structured** set of PHP libraries.
-Moreover, Hoa aims at being a bridge between industrial and research worlds.
-
-# Hoa\Graph ![state](http://central.hoa-project.net/State/Graph)
+<p align="center">
+  <img src="https://static.hoa-project.net/Image/Hoa.svg" alt="Hoa" width="250px" />
+</p>
+
+---
+
+<p align="center">
+  <a href="https://travis-ci.org/hoaproject/graph"><img src="https://img.shields.io/travis/hoaproject/graph/master.svg" alt="Build status" /></a>
+  <a href="https://coveralls.io/github/hoaproject/graph?branch=master"><img src="https://img.shields.io/coveralls/hoaproject/graph/master.svg" alt="Code coverage" /></a>
+  <a href="https://packagist.org/packages/hoa/graph"><img src="https://img.shields.io/packagist/dt/hoa/graph.svg" alt="Packagist" /></a>
+  <a href="https://hoa-project.net/LICENSE"><img src="https://img.shields.io/packagist/l/hoa/graph.svg" alt="License" /></a>
+</p>
+<p align="center">
+  Hoa is a <strong>modular</strong>, <strong>extensible</strong> and
+  <strong>structured</strong> set of PHP libraries.<br />
+  Moreover, Hoa aims at being a bridge between industrial and research worlds.
+</p>
+
+# Hoa\Graph
+
+[![Help on IRC](https://img.shields.io/badge/help-%23hoaproject-ff0066.svg)](https://webchat.freenode.net/?channels=#hoaproject)
+[![Help on Gitter](https://img.shields.io/badge/help-gitter-ff0066.svg)](https://gitter.im/hoaproject/central)
+[![Documentation](https://img.shields.io/badge/documentation-hack_book-ff0066.svg)](https://central.hoa-project.net/Documentation/Library/Graph)
+[![Board](https://img.shields.io/badge/organisation-board-ff0066.svg)](https://waffle.io/hoaproject/graph)
 
 This library allows to create and manipulate directed graphs, a common data
 structure. A directed graph is basically a set of vertices (aka nodes) and
 directed edges between vertices.
 
+[Learn more](https://central.hoa-project.net/Documentation/Library/Graph).
+
 ## Installation
 
-With [Composer](http://getcomposer.org/), to include this library into your
-dependencies, you need to require
-[`hoa/graph`](https://packagist.org/packages/hoa/graph):
+With [Composer](https://getcomposer.org/), to include this library into
+your dependencies, you need to
+require [`hoa/graph`](https://packagist.org/packages/hoa/graph):
 
-```json
-{
-    "require": {
-        "hoa/graph": "~1.0"
-    }
-}
+```sh
+$ composer require hoa/graph '~1.0'
 ```
 
-Please, read the website to [get more informations about how to
-install](http://hoa-project.net/Source.html).
+For more installation procedures, please read [the Source
+page](https://hoa-project.net/Source.html).
+
+## Testing
+
+Before running the test suites, the development dependencies must be installed:
+
+```sh
+$ composer install
+```
+
+Then, to run all the test suites:
+
+```sh
+$ vendor/bin/hoa test:run
+```
+
+For more information, please read the [contributor
+guide](https://hoa-project.net/Literature/Contributor/Guide.html).
 
 ## Quick usage
 
@@ -83,6 +116,7 @@ $ dot -Tsvg -oresult.svg <( echo 'digraph { … }'; )
 ```
 
 And the result should look like the following image:
+
 ![result.svg](http://central.hoa-project.net/Resource/Library/Graph/Documentation/Image/Simple.svg?format=raw)
 
 We can see that `n1` is the parent of `n2` and `n3`. `n2` is the parent of `n3`.
@@ -95,10 +129,35 @@ information on it. The `SimpleNode` class has been used. It extends the
 
 ## Documentation
 
-Different documentations can be found on the website:
-[http://hoa-project.net/](http://hoa-project.net/).
+The
+[hack book of `Hoa\Graph`](https://central.hoa-project.net/Documentation/Library/Graph)
+contains detailed information about how to use this library and how it works.
+
+To generate the documentation locally, execute the following commands:
+
+```sh
+$ composer require --dev hoa/devtools
+$ vendor/bin/hoa devtools:documentation --open
+```
+
+More documentation can be found on the project's website:
+[hoa-project.net](https://hoa-project.net/).
+
+## Getting help
+
+There are mainly two ways to get help:
+
+  * On the [`#hoaproject`](https://webchat.freenode.net/?channels=#hoaproject)
+    IRC channel,
+  * On the forum at [users.hoa-project.net](https://users.hoa-project.net).
+
+## Contribution
+
+Do you want to contribute? Thanks! A detailed [contributor
+guide](https://hoa-project.net/Literature/Contributor/Guide.html) explains
+everything you need to know.
 
 ## License
 
-Hoa is under the New BSD License (BSD-3-Clause). Please, see
-[`LICENSE`](http://hoa-project.net/LICENSE).
+Hoa is under the New BSD License (BSD-3-Clause). Please, see
+[`LICENSE`](https://hoa-project.net/LICENSE) for details.