added iperf3 role

roles/iperf3/templates/iperf3.service.j2

@@ -0,0 +1,13 @@
+# /etc/systemd/system/iperf3.service
+# file created automatically by ansible mylimbo.globals.iperf3 role
+
+
+[Unit]
+Description=iperf3 server
+After=syslog.target network.target auditd.service
+
+[Service]
+ExecStart=/usr/bin/iperf3 -s
+
+[Install]
+WantedBy=multi-user.target