add systemd service file to repo

MANIFEST.in

@@ -4,6 +4,7 @@ recursive-include catsoop/__QTYPES__ *
 recursive-include catsoop/__STATIC__ *
 recursive-include catsoop/__UTIL__ *
 recursive-include vim *
+recursive-include systemd *
 include README
 include LICENSE
 include requirements.txt

systemd/catsoop.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=CAT-SOOP
+After=multi-user.target
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/catsoop start
+User=catsoop
+KillMode=mixed
+TimeoutSec=10
+
+[Install]
+WantedBy=multi-user.target