Updates readme

Author: olivierkes

README.md

@@ -1,6 +1,21 @@
+# Manuskript
 
+[Manuskript](http://www.theologeek.ch/manuskript) is an open-source tool for writers.
 
-Dépendances:
+![Main view](http://www.theologeek.ch/manuskript/wp-content/uploads/2016/02/index-cards-1.jpg)
+
+
+## Running from sources
+
+To run the application without installing just:
+
+* Download [latest code archive](https://github.com/olivierkes/manuskript/archive/master.zip) or clone the repository.
+* Run:
+  * On Linux/Mac: bin/manuskript
+ 
+Be sure to have all **dependencies** installed !
+
+## Dependencies
 - Python 3
 - PyQt5
 - libqt5svg5