Doc: add DESY original code links + fix the HowTo Start

README.md

@@ -4,6 +4,7 @@
 
 This is a Tango Device Server for controlling the GE PACE5000 & PACE6000 (Pressure Automated Calibration Equipment) device.
 It can handle one or multiple channels.
+The orignal code come from DESY : https://sourceforge.net/p/tango-ds/code/HEAD/tree/DeviceClasses/MeasureInstruments/GEpressCtrlPACE5000/ and https://sourceforge.net/p/tango-ds/code/HEAD/tree/DeviceClasses/MeasureInstruments/GEpressCtrlPACE5000Channel/ 
 
 ![GE PACE-5000 & PACE-6000](https://mblogthumb-phinf.pstatic.net/MjAxOTEwMjlfMjMx/MDAxNTcyMzIzNjE2NDIw.iKl15RFT_kgRtbEUj51W8LX_KmIfn_rFtkSLwpL4Ev0g.t64lBJLBFTKmJAODm3mJC6Mi2xZtCidDDR3XdLFGpjUg.JPEG.kostech6704/PACE_CONTROLLER.JPG?type=w800)
 
@@ -33,11 +34,6 @@ To start the device server:
 cd ./GEpressCtrlPACE5000
 python ./GEpressCtrlPACE5000.py <instance_name> -v<level>
 ```
-or
-```bash
-cd ./GEpressCtrlPACE5000Channel
-./GEpressCtrlPACE5000Channel <instance_name> -v<level>
-```
 
 Where `<instance_name>` is the name of the instance you want to create, and `<level>` is the verbosity level (0-5).