feat: Show member summary but not the members themselves

[pawamoy]

Discussed in #224

^{Originally posted by mbraakhekke January 12, 2025}
I have a module with a bunch of classes. I would like to have a separate page for each class with the respective docs. Additionally, I'd like to have a overview page for the module with a summary of the classes. I can generate the ref pages with a script. However, I can't get mkdocstrings to generate a summary for the module overview page. Below the ref .md. file for the module. I have to set members: false to prevent rendering the classes on the overview page. However, then the summary also doesn't get rendered. Is there a solution for this?

::: my_package.my_module
    options:
        members: false
        summary: true

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