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/demo.cfg

@@ -0,0 +1,43 @@
+[node Equipment_ID_for_demonstration]
+description = virtual modules to play around with
+
+[interface tcp]
+bindto=0.0.0.0
+bindport=10767
+
+[module heatswitch]
+class=secop_demo.modules.Switch
+switch_on_time=5
+switch_off_time=10
+.description="Heatswitch for `mf` device"
+
+[module mf]
+class=secop_demo.modules.MagneticField
+heatswitch = heatswitch
+.description="simulates some cryomagnet with persistent/non-persistent switching"
+
+[module ts]
+class=secop_demo.modules.SampleTemp
+sensor = 'Q1329V7R3'
+ramp = 4
+target = 10
+value = 10
+.description = "some temperature"
+
+[module tc1]
+class=secop_demo.modules.CoilTemp
+sensor="X34598T7"
+.description = "some temperature"
+
+[module tc2]
+class=secop_demo.modules.CoilTemp
+sensor="X39284Q8'
+.description = "some temperature"
+
+[module label]
+class=secop_demo.modules.Label
+system=Cryomagnet MX15
+subdev_mf=mf
+subdev_ts=ts
+.description = "some label indicating the state of the magnet `mf`."
+