change images name

Gazelle-Communication-Tool/user.md

@@ -30,11 +30,11 @@ When the GCT URL is changed, the preferences must be saved before the Rocket.Cha
 # Mapping TM/Rocket.Chat
 
 A testing session is linked to a team in Rocket.Chat.
-![testing_sessions.png](./media/installation/testing_sessions.png)
+![testing_sessions.png](./media/user/testing_sessions.png)
 
 An institution in a testing session has two channels in the team, one public and one private.
-![ad_swiss_public.png](./media/installation/ad_swiss_public.png)
-![ad_swiss_private.png](./media/installation/ad_swiss_private.png)
+![ad_swiss_public.png](./media/user/ad_swiss_public.png)
+![ad_swiss_private.png](./media/user/ad_swiss_private.png)
 
 A test run has a private channel in the testing session's team.A private channel name : "TR_XXXX_TestName"
 ![img_1.png](media/user/TR.png)