[filestorage]: Provide an option to the user to create a directory (#… #8

Job	Run time
windows-unittest-matrix (receiver-0)	17m 50s
windows-unittest-matrix (receiver-1)	19m 57s
windows-unittest-matrix (receiver-2)	20m 11s
windows-unittest-matrix (receiver-3)	15m 22s
windows-unittest-matrix (processor-0)	7m 9s
windows-unittest-matrix (processor-1)	8m 22s
windows-unittest-matrix (exporter-0)	5m 24s
windows-unittest-matrix (exporter-1)	17m 49s
windows-unittest-matrix (exporter-2)	14m 10s
windows-unittest-matrix (exporter-3)	13m 23s
windows-unittest-matrix (extension)	15m 8s
windows-unittest-matrix (connector)	4m 50s
windows-unittest-matrix (internal)	6m 43s
windows-unittest-matrix (pkg)	4m 34s
windows-unittest-matrix (cmd-0)	4m 25s
windows-unittest-matrix (cmd-1)	10m 30s
windows-unittest-matrix (other)	6m 4s
windows-unittest	4s
	3h 11m 55s

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