Events UI

[jvstme]

Implement the "UI" section from the parent issue design document.

See the "Main concepts" and "API" sections for context.

Implementation plan

• [x] Events page
• [ ] References from resource pages to the events page
  • [x] Run page
  • [x] Job page
  • [x] Fleet page
  • [ ] Project page
  • [ ] User page