Feat/usability updates

[ludomikula]

Proposed changes

• make default biz thresholds configurable via application.yaml and environment properties
• add possibility to disable certain endpoints via configuration (eg. overriding biz thresholds using API)
• add OpenAPI specification and a web UI to browse it

Types of changes

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• Bugfix (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 not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published in downstream modules

Further comments

n/a

[FalkWolsky]

Just the 2 points about ENV VAR Names as we briefly discussed.

[FalkWolsky]

Thank you very much for the cleanup!