BlitzNG/database.mod: Standardised database connectivity for BlitzMax @ task/add-postgresql

zrkadlo https://github.com/bmx-ng/database.mod.git

Brucey cf41020809 Database.PostgreSQL. Initial Import.		1 rok pred
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libpq-events.h	cf41020809 Database.PostgreSQL. Initial Import.	1 rok pred
libpq-fe.h	cf41020809 Database.PostgreSQL. Initial Import.	1 rok pred