Move storage, statefulsyncer, and utils

[patrick-ogrady]

Initially intended only for internal use, these packages have become useful to projects in the Rosetta ecosystem. It seemed strange that using them required referencing the rosetta-cli, so we are moving them to rosetta-sdk-go.

Changes

• Move the storage, statefulsyncer, and utils package to rosetta-sdk-go

Future PR

• Remove corresponding packages from rosetta-cli
• Remove the rosetta-cli/logger dependency in rosetta-sdk-go

[patrick-ogrady]

Will remove in follow-up PR

[coveralls]

Pull Request Test Coverage Report for Build 3873

• 1155 of 1659 (69.62%) changed or added relevant lines in 9 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-3.1%) to 75.806%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
storage/utils.go	21	25	84.0%
storage/counter_storage.go	32	40	80.0%
storage/badger_storage.go	143	171	83.63%
storage/key_storage.go	88	125	70.4%
utils/utils.go	76	148	51.35%
storage/coin_storage.go	169	246	68.7%
storage/balance_storage.go	203	284	71.48%
storage/broadcast_storage.go	196	277	70.76%
storage/block_storage.go	227	343	66.18%

Totals
Change from base Build 3848:	-3.1%
Covered Lines:	3760
Relevant Lines:	4960

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💛 - Coveralls