docs: updated directory structure for basic typescript setup #7086

Job	Run time
Unit Test (ubuntu-latest, lts/*)	36s
Lint (ubuntu-latest, lts/*)	1m 7s
E2E test and link check (ubuntu-latest, lts/*)	7m 7s
Proselint (ubuntu-latest, lts/*)	47s
	9m 37s

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