feat(core): implement `exploreDirectory` method #2312

Job	Run time
Check coding style	12s
eslint	1m 22s
Tests (macos-latest, Node 18.x)	5m 26s
Check version consistency of packages	8s
Tests (macos-latest, Node 20.x)	5m 43s
Tests (ubuntu-latest, Node 18.x)	2m 1s
Tests (ubuntu-latest, Node 20.x)	1m 54s
Tests (windows-latest, Node 18.x)	5m 55s
Tests (windows-latest, Node 20.x)	5m 40s
	28m 21s

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