update: add bind-user reference in solid-router

source/import_documentation/Components/Solid-Auth.rst

@@ -52,6 +52,7 @@ Here is an example to make you understand the logic:
             });
         </script>
 
+.. _bind-user:
 bind-user
 ----------
     To associate the currently logged in user to a component, add the bind-user attribute to it.

source/import_documentation/Components/Solid-Router.rst

@@ -134,6 +134,11 @@ will result in:
       bind-resources
    ></sib-conversation>
 
+In the same way, the ``bind-user`` attribute  can be used to associate the
+currently logged in user to a component and set its ``data-src`` attribute
+accordingly.
+More informations about this in the :ref:`sib-auth documentation<bind-user>`.
+
 Navigate with an event
 ~~~~~~~~~~~~~~~~~~~~~