update README.md

Author: gpelouze

README.md

@@ -1,9 +1,16 @@
-## Build
+# Bases de Python pour l’astronomie
 
-1. Clone this repository.
-2. Install [pandoc] and  [TeX Live] (or any LaTeX distribution with XeLaTeX and
-   the packages used in the `template.latex` file).
-3. Run `make` in the current directory to generate the PDF document.
+## Accès au PDF
+
+[`tuto_python_astro.pdf`](https://github.com/gpelouze/tuto_python_astro/releases/latest/download/tuto_python_astro.pdf)
+
+
+## Compilation
+
+1. (Installer [pandoc] et [TeX Live].)
+2. Cloner ce dépôt (`git clone https://github.com/gpelouze/tuto_python_astro`)
+3. Se déplacer dans le répertoire du dépôt (`cd tuto_python_astro`)
+4. Exécuter `make` pour générer le PDF
 
 [pandoc]: https://pandoc.org/
 [TeX Live]: https://tug.org/texlive/
@@ -14,8 +21,8 @@
 [![license-img]][license-url]
 This work is licensed under a [Creative Commons Attribution 4.0 International
 License][license-url].
-Any further distribution should include a link to [source].
+Any further distribution should include a link to
+<https://github.com/gpelouze/tuto_python_astro>.
 
 [license-url]: http://creativecommons.org/licenses/by/4.0/
 [license-img]: https://i.creativecommons.org/l/by/4.0/80x15.png
-[source]: https://github.com/gpelouze/tuto_python_astro