Use chrono-tz for proper timezones that respect DST

Cargo lock file required for Nix build

Add comments, remove covid stats

Handle sigint

Add back covid status (UAE only)

Fix timezone

add system name as a constant

separate status items as functions

Don't show low battery flair when charging.

Add low battery flair

Remove COVID-19 stats

Use decimal points when formatting load.

Fix COVID19 status.

Add license

Cache COVID19 stats (for 6 hours).

Add COVID19 stats, and set update to 30 secs.

Add system load.

Cleanup duplication in battery function.

Add time and battery status

Implement copy trait.