feat: introduce addCollection method to Catalog class (#1651) #823

Job	Run time
Build and Test (ubuntu-latest, 16)	5m 4s
Build and Test (ubuntu-latest, 16)	5m 4s
Release	3m 59s
Release	4m 10s
Deploy Documentation	0s
Deploy Documentation / build-and-deploy	3m 9s
	21m 26s

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