feat: add nzbget module/role

- add nzbget module
- add nzbget ldap user/group

modules/nzbget/templates/nzbget.service.erb

@@ -0,0 +1,17 @@
+[Unit]
+Description=<%= @service_name %> Daemon
+Documentation=http://nzbget.com/documentation/
+After=network.target
+
+[Service]
+Type=simple
+User=<%= @user %>
+Group=<%= @group %>
+WorkingDirectory=/var/lib/nzbget
+ExecStart=/usr/bin/nzbget -s -c /var/lib/nzbget/nzbget.conf -o OutputMode=log -o WriteLog=none
+ExecReload=/usr/bin/nzbget -O -c /var/lib/nzbget/nzbget.conf
+ExecStop=/usr/bin/nzbget -Q -c /var/lib/nzbget/nzbget.conf
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target