[doc] Fix link using sphinx-reredirect knewly acquired knowledge

Author: Pierre-Sassoulas

doc/conf.py

@@ -61,8 +61,11 @@
     "intro": "index.html",
     "support": "contact.html",
     "user_guide/ide-integration": "installation.html",
-    "user_guide/message-control": "user_guide/messages/message_control.html",
     "additional_commands/index": "../index.html",
+    "messages/index": "../user_guide/messages/index.html",
+    "messages/messages_introduction": "../user_guide/messages/index.html",
+    "messages/messages_list": "../user_guide/messages/messages_overview.html",
+    "user_guide/message-control": "messages/message_control.html",
 }
 for m in redirects:
     for r in DIRECTORY_REDIRECT: