Use chrono-tz for proper timezones that respect DST
Cargo lock file required for Nix build
Add comments, remove covid stats
Add back covid status (UAE only)
add system name as a constant
separate status items as functions
Don't show low battery flair when charging.
Use decimal points when formatting load.
Cache COVID19 stats (for 6 hours).
Add COVID19 stats, and set update to 30 secs.
Cleanup duplication in battery function.
Add time and battery status