HXCS-3659 copy feature-flags lib #5893

Job	Run time
pre-checks	11s
check-if-pr-is-approved	20s
PR-forbidden-labels	9s
Setup	3m 53s
Lint	4m 41s
Build libs	11m 34s
Unit tests: js-api	1m 42s
Unit tests: content-services	5m 7s
Unit tests: core	4m 50s
Unit tests: insights	2m 38s
Unit tests: process-services	3m 24s
Unit tests: process-cloud	3m 40s
e2e: ${{ matrix.e2e-test.description }}	0s
e2e: storybook	0s
Final Results	8s
	42m 17s

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