[CBR-97] logging configuration for Daedalus with structured logging

[CodiePP]

Description

Daedalus now expects the node's public log files in $log_prefix/pub in JSON format.

this is a prerequisite for end-to-end tests

Linked issue

CBR-97
DDW-413

Type of change

• 🐞 Bug fix (non-breaking change which fixes an issue)
• 🛠 New feature (non-breaking change which adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)
• 🏭 Refactoring that does not change existing functionality but does improve things like code readability, structure etc
• [~] 🔨 New or improved tests for existing code
• ⛑ git-flow chore (backport, hotfix, etc)

Developer checklist

• [~] I have read the style guide document, and my code follows the code style of this project.
• [~] If my code deals with exceptions, it follows the guidelines.
• [~] I have updated any documentation accordingly, if needed. Documentation changes can be reflected in opening a PR on cardanodocs.com, amending the inline Haddock comments, any relevant README file or one of the document listed in the docs directory.
• [~] CHANGELOG entry has been added and is linked to the correct PR on GitHub.

Testing checklist

• [~] I have added tests to cover my changes.
• All new and existing tests passed.

QA Steps

end-to-end test with log submission to ReportServer

[CodiePP]

rebased on develop
now, we would like to continue with Daedalus end-to-end tests