Sofar I know this kind of plugin is not yet available.
I agree it is a nice feature.
If someone like to build it, I think it is useful to have a look at the syntax usage of the S5 plugin. This plugin creates from a normal wiki page a presentation, that could be started in your browser. It uses heading H1 as first slide, and subsequent H2 headings as subsequent slides in the presentation. https://www.dokuwiki.org/plugin:s5
I guess a similar approach is possible for the ifixit styled step-by-step manual style.
Not sure how much work it is to build. If someone like to do styling/css coding, than I will think about doing work on the setup of this plugin.
In that case I prefer to start simple. So I have a question: could you sketch what is, in your view, the most simple version of this step-by-step manual view?