Provide systemd files

+ move example cfg from etc/ to cfg/

Change-Id: I437b3e2aaca55539ff110f5a46e411b34e0a0b9c
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21319
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

cfg/epics.cfg

@@ -0,0 +1,50 @@
+[node see_demo_equipment]
+description=Do  not use, it needs to be rewritten....
+
+[interface testing]
+type=tcp
+bindto=0.0.0.0
+bindport=10767
+
+[module tc1]
+class=secop_demo.modules.CoilTemp
+sensor="X34598T7"
+
+[module tc2]
+class=secop_demo.modules.CoilTemp
+sensor="X39284Q8'
+
+
+[module sensor1]
+class=secop_ess.epics.EpicsReadable
+epics_version="v4"
+.group="Lakeshore336"
+value_pv="DEV:KRDG1"
+
+
+[module loop1]
+class=secop_ess.epics.EpicsTempCtrl
+epics_version="v4"
+.group="Lakeshore336"
+
+value_pv="DEV:KRDG1"
+target_pv="DEV:SETP_S1"
+heaterrange_pv="DEV:RANGE_S1"
+
+
+[module sensor2]
+class=secop_ess.epics.EpicsReadable
+epics_version="v4"
+.group="Lakeshore336"
+value_pv="DEV:KRDG2"
+
+
+[module loop2]
+class=secop_ess.epics.EpicsTempCtrl
+epics_version="v4"
+.group="Lakeshore336"
+
+value_pv="DEV:KRDG2"
+target_pv="DEV:SETP_S2"
+heaterrange_pv="DEV:RANGE_S2"
+