Add example systemd service

Environment/bantflags.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=bantflags backend
+
+[Service]
+# Set to the location of the application
+WorkingDirectory=/etc/bantflags
+ExecStart=/usr/bin/dotnet /etc/bantflags/BantFlags.dll
+Restart=always
+# restarts 10 seconds after it goes bang
+RestartSec=10 
+KillSignal=SIGINT
+SyslogIdentifier=bantflags
+User=www-data
+
+[Install]
+WantedBy=multi-user.target