Readme: Add logo.

README.md

@@ -3,6 +3,8 @@
 Pamhyr is a free and open source graphical user interface for 1D hydro-sedimentary
 modelling of rivers.
 
+![logo](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/raw/master/src/View/ui/ressources/Pamhyr2_logo.png)
+
 ## Features
 
 + Define a complex river hydraulics network
@@ -36,26 +38,3 @@ See documentation:
 See documentation:
 - [French :fr:](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/wikis/home/fr/Install%20on%20Windows)
 - [English :gb:](https://gitlab.irstea.fr/theophile.terraz/pamhyr/-/wikis/home/en/Install%20on%20Windows)
-
-### From source code
-
-```shell
-# Get mage
-mkdir mage8
-cd mage8
-
-curl -L -o mage.tgz https://gitlab.irstea.fr/jean-baptiste.faure/mage/-/releases/v8.3.6/downloads/packages/mage_linux.tgz
-tar xf mage.tgz
-
-cd ..
-
-# Get Pamhyr2 source code
-git clone https://gitlab.irstea.fr/theophile.terraz/pamhyr/
-cd pamhyr
-
-# Install dependencies
-pip3 install -r requirements.txt
-
-# Run pamhyr
-./src/pamhyr.py
-```