Add delegations to registration service

[dkijania]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 2837855299

• 0 of 234 (0.0%) changed or added relevant lines in 20 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.09%) to 2.189%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
registration-service/src/cardano/cli/command/transaction/id.rs	0	3	0.0%
registration-service/src/cardano/cli/command/transaction/submit.rs	0	3	0.0%
registration-service/src/cardano/data.rs	0	3	0.0%
registration-service/src/config/mod.rs	0	4	0.0%
registration-service/src/utils.rs	0	4	0.0%
integration-tests/src/common/registration/starter.rs	0	5	0.0%
registration-service/src/cardano/cli/command/stake_address/build.rs	0	6	0.0%
registration-service/src/cardano/cli/command/stake_address/registration.rs	0	6	0.0%
registration-service/src/cardano/cli/command/address/build.rs	0	9	0.0%
registration-service/src/cardano/cli/command/query.rs	0	9	0.0%

Totals
Change from base Build 2724335083:	-0.09%
Covered Lines:	101
Relevant Lines:	4614

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💛 - Coveralls