NNS topology

[avivtur]

Adding a first skeleton to the NNS topology, focusing on:

1. NNS CR display and it's interfaces
2. Display green/red border to each interface to represent if the interface is up or down. (if default color appears it means the interface state is unknown)
3. Opening a details drawer on interface select + fill in details.
4. Add topology toolbar to toggle between list and graph views
5. Add filter by node name to see just some of the node.
6. Adding connecting edges between interfaces.

Enhancements to do/Issues to fix:

1. When filtering and selecting few nodes, it always put the node in the center which can cause overlapping nodes which is confusing to look at.
2. Fix single node drag.
3. Improve interfaces drawer info.

Demo:

NNS-topology-1.mp4

[metalice]

why making such a genric component? cant split for 2 ?

[avivtur]

also copied from kubevirt

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: avivtur, upalatucci

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[upalatucci]

/remove-lgtm

[upalatucci]

Reviewed. For me it's great thanks aviv

[avivtur]

@pcbailey @metalice
PR was merged by accident, please review, leave comments here and will do a follow-up PR