Readme Update

- [] #5

README.md

@@ -1,9 +1,62 @@
-# Get updated and see what changed
+Scrapix is a command-line tool that periodically checks the changes to web pages.
+
+![url du logo]
+
+[Presentation](#presentation) | [Quick install guide](#quick-install Get started easily) | [Code](http://github.com/lebarde/scrapix) | [Contribute](#contribute)
+
+## Overview
+
+Scrapix downloads all web pages you want to watch/monitor and tells you if there were changes.
+
+As a musician, I was bored of repeatedly using my F5 key to check if this or that opera had a job proposal to offer. So I created Scrapix.
+
+Practically, you write a configuration file and Scrapix saves all changes in a database. Under Linux, configuration file is supposed to be in `$HOME/.config/scrapix/config.yaml`, and the cache database is in `$HOME/.cache/scrapix/cache.db`.
+
+Scrapix is free and open-source, and always will. Contributions are welcome, and don't hesitate to open issues if you find a bug!
+
+Technically, the project is written in Go language and uses SQLite for its cache database.
+
+## Supported architectures
+Currently, Scrapix can run under Linux. It might work under *BSD systems too, but they have not been tested.
+
+Windows, Mac OS X and Android are not supported, but they are on the [roadmap](TODO link) and contributions are welcome.
+
+## Quick start guide
+
+### Binary install
+Scrapix works well as a lone binary. Just dowload it (here)(TODO link), make it executable and add it in the $PATH. Run the following in a terminal:
+
+```
+$ mkdir -p $HOME/bin
+$ wget TODO-URL
+$ chmod +x scrapix
+$ echo 'PATH=$PATH;$HOME/bin'
+```
+
+Install done! You can now run scrapix as this:
+
+```
+$ scrapix
+```
+
+### Install from source
+
+The following packages need to be installed on your machine: git, go and eventually build-essential if you are on a debian machine. The Golang environment needs to be set (GOROOT and so on). See [here](TODO link) for details.
+
+After having set your Go environment, run the following:
+
+```
+$ go install -v github.com/scrapix
+```
+
+Here it is!
+
+### Play with Scrapix
 
 Create a config file inside `$HOME/.config/scrapix` and put the urls you want to watch:
 
 ```
-params: "coucou2"
+params: "whatever (TODO)"
 
 urls:
   "http://www.topologix.fr/exercices/":
@@ -14,12 +67,7 @@ urls:
 
 Then run `~$ scrapix`.
 
-# TODO
 
-En un seul binaire en ligne de commande, on récupère toutes les url, et on doit les comparer avec la dernière version.
+## Usage and functionalities
 
-Il faut pour cela :
-- lire la configuration yaml. Celle-ci, pour chaque url, contient l'url, la périodicité et éventuellement un sélecteur à la JQuery.
-- lancer chaque requête http le cas échéant.
-- récupérer l'état des dernières requêtes (dans un cache) et comparer les résultats
-- enregistrer l'état des nouvelles url.
+## Contribute