[FSSDK-12107] refactor build system (#1130) #1525

Job	Run time
typescript_test	1m 23s
browser_tests (chrome)	6m 48s
browser_tests (edge)	7m 18s
unit_tests (20)	1m 33s
browser_tests (safari)	6m 18s
browser_tests (firefox)	12m 20s
unit_tests (22)	1m 29s
unit_tests (18)	1m 45s
lint	57s
unit_tests (24)	1m 24s
lint_markdown_files / lint	1m 11s
integration_tests / test	8s
fullstack_production_suite / test	5s
Coveralls coverage	4s
	42m 43s

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