Fix missing description names

Author: stephane-caron

robot_descriptions/_description_names.py

@@ -41,6 +41,7 @@
     "fetch_description",
     "finger_edu_description",
     "gen2_description",
+    "ginger_description",
     "go1_description",
     "hyq_description",
     "icub_description",
@@ -52,6 +53,7 @@
     "minitaur_description",
     "panda_description",
     "panda_mj_description",
+    "pepper_description",
     "pr2_description",
     "reachy_description",
     "robotiq_2f85_description",