Added support functions to get the underlying storage container of st… #33

Job	Run time
Test / Build & Test (ubuntu-20.04)	33s
Coverage / Coverage (ubuntu-20.04)	1m 24s
Coverage / Coverage (macos-12)	2m 15s
Test / Build & Test (macos-12)	37s
Coverage / Coverage (windows-2019)	2m 54s
Test / Build & Test (windows-2019)	1m 23s
Analyze / Check \| Clippy	20s
Release / Get Version	3s
Analyze / Check \| Audit	10s
Release / Create Pre Release	22s
Release / Create Release Pull Request	0s
Analyze / Format Code	10s
	10m 11s

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