Is dune just for building targets, or can I also make it organize build output?

Let’s say my source code has the following structure:

src
|-- bin
|   |-- main.ml
|-- assets
    |-- icons
    |   |-- pin.svg
    |-- index.html
    |-- manifest.json

I want dune to spit out an output dir in the default context like this:

_build
|-- default
    |-- output
        |-- manifest.json
        |-- index.html
        |-- static
              |-- icons
              |    |-- pin.svg
              |-- main.bc.js

In short, I want dune to rearrange the artifacts in the output dir, along with building the targets.

It seems like dune is the right tool for this, but I spent a lot of hours trying to make dune do this, but failed.

Am I correct to assume that dune cannot do this? Is dune’s only job to produce the build targets (main.bc.js in this case)?

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