Unclear documentation on Custom Resource Type

[a2937]

Your Godot version: 4.2

Issue description: On the custom resource sections, custom editors and data visualization is mentioned. But I don't think they current documentation covers how to make editors for custom types. As someone that thinks they might want an editable data table, additional documentation will help.

URL to the documentation page (if already existing): https://docs.godotengine.org/en/stable/tutorials/scripting/resources.html

[AThousandShips]

Are you looking for something like https://docs.godotengine.org/en/latest/tutorials/plugins/editor/inspector_plugins.html

[a2937]

Something similar.

[AThousandShips]

Please detail what would be added to this new documentation that isn't in that tutorial

[a2937]

In the Inspector plugin page, I would like to limit the kind of objects my editor is compatible with. I'd love to use an array of objects too, but I'm not sure how viable that is. I think additional documentation on the inspector plugin dealing with arrays could help.

[AThousandShips]

The kind of input the inspector can edit is configurable, and would be good to add that to the tutorial, it should be possible using the _parse_property virtual function