panel idea: Fiat Price over Time

[vicariousdrama]

With the downloader set to fetch bisq data hourly, over time there will be enough to meaningfully render a visual of the price of Bisq over time.

• Past 5 days would be 4 pixels per hour bar ~480px
• Past 20 days would be 1 pixel per hour bar ~480px
• Past 90 days would be 5 pixels per day (at 00:00 UTC) ~ 450px