Create a UI which visualizes workspace timings

Depends on https://github.com/coder/team-coconut/issues/43

![image](https://github.com/user-attachments/assets/d4cb5c84-75b4-4940-a263-6a0b0911aae5)
_from https://github.com/coder/coder/pull/14274_