Extend IconComponent to support Tooltip

[pivotal-mikegresham]

Describe the problem/challenge you have
Teams want to be able to use tooltips to help onboard and inform users about taxonomy and topology

Describe the solution you'd like
Implement the tooltips component from clarity

Anything else you would like to add:
Clarity docs: https://clarity.design/angular-components/tooltip/#tooltip-right

[wwitzel3]

Implementing this would involve extending the existing IconComponent. We'll want to support Size and Placement configuration options.

https://github.com/vmware-tanzu/octant/blob/master/pkg/view/component/icon.go#L12