Add OutputBuilder and CcaClient to cli.Wrapper struct

[khos2ow]

Prerequisites

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• This pull request fixes a bug.
• This pull request adds a feature.
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• This pull request introduces breaking change.

For more information, see the Contributing Guide.

Description

Enhance cli.Wrapper and add output.Builder, client.Client to it.

Issues Resolved

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Checklist

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• I have read the Contributing Guidelines.

Tests

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• All tests pass when I run make test.

Documentation

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Code Style

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