The Rack diagram doesnot show the Management server and dh9 server and their connections

[Sakethanne]

The Rack diagram doesnot show the Management server and dh9 server and their connections

[glimchb]

@mgheorghe can you please fix the diagrams ?

https://github.com/opiproject/lab/blob/main/images/opi-lab-cabling.drawio.svg

[mgheorghe]

fixed in #94