[docs] Preview pane docs outdated

[Aaron-Junker]

Provide a description of requested docs changes

The docs for the preview pane (https://github.com/microsoft/PowerToys/blob/master/src/modules/previewpane/README.md) are outdated.

I would love to have them up to date next week, because then I could easy implement monaco, because I have many time next week.

We should also move this document into the doc folder.

[crutkas]

@Aaron-Junker, been a long time since we last looked at these. what makes these out of date?

I don't think the settings aspect for Monaco will be easy / the installer aspect. #10126 still needs to happen for file associate

[ghost]

This issue has been automatically marked as stale because it has been marked as requiring author feedback but has not had any activity for 5 days. It will be closed if no further activity occurs within 5 days of this comment.

[Aaron-Junker]

For example Navigate to the powerpreview project and edit the powerpreview.h file. Add the following Settings Object instance to m_previewHandlers settings objects array in the constructor initialization: There is no way to add a settings object instance to m_previewHandlers Because there is no m_previewHandlers

[Yongjun042]

Is this in progress now? I'm not sure what is wrong/missing integrating preview.

[Jay-o-Way]

Is this still an issue?

[crutkas]

These are dev docs so there is a chance.

[Jay-o-Way]

<rel>#761, #17951</rel>

[Aaron-Junker]

This seems to be completed.