[with doc] Add logo

docs/conf.py

@@ -53,3 +53,9 @@ html_theme = 'sphinx_rtd_theme'
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
+
+html_logo = "./../logo_hysop_rgb.png"
+html_theme_options = {
+    'logo_only': True,
+    'display_version': False,
+}