Description for gazebo without ROS, still a problem with the head

gazebo/reachy/model.config

+<?xml version="1.0"?>
+
+<model>
+  <name>My Model Name</name>
+  <version>1.0</version>
+  <sdf version='1.7'>reachy.sdf</sdf>
+
+  <author>
+    <name>reachy</name>
+    <email>arnaud.blanchard@ensea.fr</email>
+  </author>
+
+  <description>
+    A description of the model
+  </description>
+</model>
\ No newline at end of file