Topology

1. Define a good interface
2. Implement simple version for @istnescha master thesis
3. Implement more complex version for DemoQuanDT

Requirements @istnescha:

• Links similar to containerlab topo file e.g.

  links:
    - endpoints: ["ceos0:eth1","ceos1a:eth1"]
    - endpoints: ["ceos0:eth2","centos1:eth1"]
    - endpoints: ["ceos1a:eth2","centos2:eth1"]