Add the preliminary ALERT timeline to the main branch #1169

Job	Run time
build_timeline	4m 58s
download_test_data (detectors, mon)	3m 38s
download_test_data (physics, dst)	2m 8s
test_swifjob (detectors)	7m 37s
run_monitoring (detectors)	3m 43s
test_swifjob (physics)	3m 16s
run_monitoring (physics)	8m 41s
run_timelines (detectors, -n 4 --skip-mya)	5m 35s
run_timelines (physics)	1m 56s
Deployment	3m 47s
	45m 19s

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