added ability to disable swagger

[YevhenBondarenko]

Pull Request description

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General checklist

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• The milestone is specified and corresponds to fix version.
• Description references specific issue.
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• Description contains brief notes about what needs to be added to the documentation.
• No merge conflicts, commented blocks of code, code formatting issues.
• Changes are backward compatible or upgrade script is provided.
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Back-End feature checklist

• Added corresponding unit and/or integration test(s). Provide written explanation in the PR description if you have failed to add tests.
• If new dependency was added: the dependency tree is checked for conflicts.
• If new service was added: the service is marked with corresponding @TbCoreComponent, @TbRuleEngineComponent, @TbTransportComponent, etc.
• If new REST API was added: the RestClient.java was updated, issue for Python REST client is created.