FR: JSON builder GUI

[clemens-fricke]

Is your feature request related to a problem? Please describe.
A GUI that can write the json file. There are different packages that might be helpful.

https://github.com/json-editor/json-editor
https://github.com/prismaticd/pydantic-ui
https://github.com/LukasMasuch/streamlit-pydantic
https://github.com/jmosbacher/pydantic-panel (no updates for 1 year)

(the pydantic specific might be moving to pydantic 2.x might break with our pydantic<2 requirement)

Describe the solution you'd like
A clear and concise description of what you want to happen.

Describe alternatives you've considered
Just add a hint into the docu for this webpage https://json-editor.github.io/json-editor/ where you can upload the json schema (which you can very easily export from releso) and have a GUI on the webpage.
Has some issues (save_location, logger_name appearing in each class but is only necessary (via json) for the outtest object.

Additional context
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