Add users and groups screenshot

source/3/3.2/3.2.15/users_and_groups.rst

@@ -11,6 +11,10 @@ Useage
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 To create a new useage create a new user enter your password to make sure it is really you enter the users name and username then enter the new password twice by hand. To change the users permission click account type and enter your password and select desktop user to not give permission to change the system or admin to change system settings.  
 
+Screenshot
+----------
+.. image:: users_and_groups.png
+
 How to launch
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 To launch Users and groups from the menu -> Prefrences -> LXQt settings -> users and groups. From LXQt configuration center under system settings press the button that looks like two people. Or you can run