Ajout d'une mainpage à la doc

docs/doxygen.conf

@@ -675,6 +675,14 @@ FILTER_PATTERNS        =
 
 FILTER_SOURCE_FILES    = NO
 
+# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page
+# (index.html). This can be useful if you have a project on for instance GitHub
+# and want to reuse the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE = README.md
+
+
 #---------------------------------------------------------------------------
 # configuration options related to source browsing
 #---------------------------------------------------------------------------