fix(Data): add viewer object #201

Job	Run time
test / prepare / prepare	26s
test / checkers	1m 1s
test / config / py-config	13s
test / semantic-commit / semantic-commit	24s
test / test-repository / test-node (ubuntu-latest)	16s
test / test-repository / test-node (windows-latest)	52s
test / test-repository / test-python (ubuntu-latest)	2m 22s
test / test-repository / test-python (windows-latest)	3m 11s
test / test-repository / test-docker	0s
test / test-repository / test-desktop	0s
test / test-repository / test-browser	0s
test / test-repository / test-integration	0s
test / release	-1s
test / deploy-repository	-1s
	8m 43s

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