[UI] Show list of query stages with metrics

[andygrove]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.
PR #305 adds a new REST API to get the list of stages for a job, along with some basic metrics.

I would like to be able to view this information in the UI.

Describe the solution you'd like
I would like to click on a job and be shown a new page with a table of query stages and metrics.

Describe alternatives you've considered
None

Additional context
None