By: Michael Lynch <git@mtlynch.io>
Improve tree fire progression Tree fires now move through visible burn phases before leaving a smoking stump, and each neighboring tree gets its own random spread delay.
| Time to Start | Worker time | Duration | Time to finish | |
| Config | 2s | 9s | 9s | 12s |
| Eval | 9s | 25s | 25s | 34s |
| Build | 15s | 1m41s | 54s | 1m09s |
| Suite | 2s | 2m16s | 1m07s | 1m09s |