feat(timezone): improve ux and time zone handling (#100) #568

Job	Run time
Clippy (Future) (beta)	2m 43s
Clippy (stable)	2m 42s
Clippy (Future) (nightly)	2m 36s
Build docs (stable, macos-latest)	36s
Build docs (stable, ubuntu-latest)	22s
Rustfmt	12s
Build docs (stable, windows-latest)	59s
Check MSRV (pace-rs, 1.74.1)	2m 33s
Check MSRV (pace_core, 1.74.1)	1m 56s
Check MSRV (pace_cli, 1.74.1)	1m 57s
ubuntu / stable / features	2m 30s
Test (stable, macos-latest)	8m 39s
Test (stable, ubuntu-latest)	4m 57s
Test (stable, windows-latest)	10m 18s
Test (beta, macos-latest)	8m 25s
Test (beta, ubuntu-latest)	4m 57s
Test (beta, windows-latest)	10m 26s
Result (CI)	1s
	1h 6m 49s

Provide feedback