Topology - Add support for pipeline layout

[jeff-phillips-18]

Is this a new component or an extension of an existing one?
Existing - Topology

Describe the feature
Create a layout and default nodes and edges with styling to support a pipeline view in topology.
See UXDENG-138

Are there visuals for this feature? If applicable, please include examples for each state and for varying widths
Marvel

Any other information?
The model should try to support the current pipeline model in OpenShift console's pipeline run view.