add BTS configuration

docs/config-BTS.txt

+#
+# Resource backup , created Thu May 27 14:16:49 CEST 2021
+#
+
+#---------------------------------------------------------
+# SERVER abending-srv/BTS, ABending device declaration
+#---------------------------------------------------------
+
+abending-srv/BTS/DEVICE/ABending: "bts/magnet/b_bts1.1",\ 
+                                  "bts/magnet/b_bts2.3"
+
+
+# --- bts/magnet/b_bts1.1 properties
+
+bts/magnet/b_bts1.1->MagnetName: B_BTS1.1
+bts/magnet/b_bts1.1->PowerSupply: "bts/power_supply/psb_bts"
+bts/magnet/b_bts1.1->__SubDevices: "bts/power_supply/psb_bts"
+
+# --- bts/magnet/b_bts1.1 attribute properties
+
+
+# --- bts/magnet/b_bts2.3 properties
+
+bts/magnet/b_bts2.3->MagnetName: B_BTS2.3
+bts/magnet/b_bts2.3->PowerSupply: "bts/power_supply/psb_bts2.3"
+bts/magnet/b_bts2.3->__SubDevices: "bts/power_supply/psb_bts2.3"
+
+# --- bts/magnet/b_bts2.3 attribute properties
+
+
+#---------------------------------------------------------
+# CLASS ABending properties
+#---------------------------------------------------------
+
+CLASS/ABending->cvs_location: "cs/ds/abending"
+CLASS/ABending->cvs_tag: 1.0.0
+CLASS/ABending->DbHost: tom
+CLASS/ABending->DbPassword: 0gauss2
+CLASS/ABending->DbUser: magnet
+CLASS/ABending->Description: "Tango device for manipulating accelerator magnets in terms of machine physics quantities.",\ 
+                             "The SETTING of the excitation drives all the conversions and readings.",\ 
+                             "That is: noise and fluctutations of the read-out are ignored.",\ 
+                             "The magnet model is taken from Elettra's Hlf class library."
+CLASS/ABending->doc_url: ""
+CLASS/ABending->InheritedFrom: TANGO_BASE_CLASS
+CLASS/ABending->ProjectTitle: "Class representing particle accelerator bending magnet"
+
+# CLASS ABending attribute properties
+
+