Restore input checker docs (#941) #180

Job	Run time
linux-64-py3.10	10m 24s
win-64	15m 47s
macOS	7m 35s
prototype_mtc	54m 33s
prototype_marin	7m 16s
placeholder_sandag	1h 50m 17s
random_seed_generation_test	8m 3s
placeholder_psrc	46m 47s
production_semcog	10m 29s
placeholder_multiple_zone	13m 47s
prototype_sandag_xborder	10m 18s
prototype_mtc_extended	1h 32m 51s
develop-docbuild	4m 4s
Standard 2-Zone Example (SANDAG)	1h 12m 22s
Standard 1-Zone Example (MTC)	55m 51s
prototype_mwcog	54m 7s
Estimation Mode Unit Tests	11m 22s
	9h 45m 53s

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