Deploy CFCR with Cilium instead of Flannel

[AnuThac]

Is your feature request related to a problem? Please describe.
Currently CFCR has only 1 CNI -Flannel. I want to use cilium as the CNI provider for my requirements.

Describe the solution you'd like
Option for CFCR cluster to be deployed with different CNI providers like Cilium.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context about the feature request here.