Add context to storage's Create endpoints (#2935)

* Initial commit

Signed-off-by: PumpkinSeed <qwer.kocka@gmail.com>

* Finish the syntex fixes

Signed-off-by: PumpkinSeed <qwer.kocka@gmail.com>

* Add fixes after running the tests

Signed-off-by: PumpkinSeed <qwer.kocka@gmail.com>

* Change background context to request context

Signed-off-by: PumpkinSeed <qwer.kocka@gmail.com>

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Signed-off-by: PumpkinSeed <qwer.kocka@gmail.com>