Add daiquiri-admin and scripts for npm, build, clean #593

Job	Run time
build (mysql, 3.9)	2m 14s
build (mysql, 3.12)	2m 17s
build (postgres, 3.9)	2m 23s
build (postgres, 3.12)	2m 32s
Indicate completion to coveralls	0s
	9m 26s

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