add users to users group

utils/signup-script-template

@@ -5,6 +5,7 @@ echo "E-Mail of {{username}} is {{email}}."
 useradd -Um -s /bin/bash {{username}}
 chmod 711 /home/{{username}}
 printf "%s\n%s" "${pass}" "${pass}" | passwd {{username}}
+usermod -aG users {{username}}
 mkdir /home/{{username}}/.ssh
 echo "{{sshkey}}" > /home/{{username}}/.ssh/authorized_keys
 chmod 700 /home/{{username}}/.ssh