How-To-guides.md

@@ -19,6 +19,8 @@ The guides below are either in english or french, depending on the venue they we
 
 - [Comment concrétiser une convention de stage](Comment-concretiser-une-convention-de-stage)
 
+- [Comment accueillir un(e) stagiaire](comment-acueillir-stagiaire)
+
 
 ## Good practices