feat(database)!: implement sqlite support #686

Job	Run time
Clippy (stable)	3m 5s
Clippy (Future) (beta)	40s
Clippy (Future) (nightly)	39s
Build docs (stable, macos-latest)	37s
Build docs (stable, ubuntu-latest)	19s
Build docs (stable, windows-latest)	1m 6s
Rustfmt	12s
Check MSRV (pace-rs, 1.74.1)	3m 6s
Check MSRV (pace_core, 1.74.1)	2m 17s
ubuntu / stable / features	2m 57s
Check MSRV (pace_cli, 1.74.1)	2m 20s
Test (stable, macos-latest)	15m 58s
Test (stable, ubuntu-latest)	5m 33s
Test (stable, windows-latest)	12m 18s
Test (beta, macos-latest)	7m 9s
Test (beta, ubuntu-latest)	5m 32s
Test (beta, windows-latest)	10m 57s
Result (CI)	0s
	1h 14m 45s

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