JuliaHub doesn't find documentation for functions in sub-modules re-exported with Reexport.jl

In my package I have all functions under a submodule (e.g. Clustering.predictMissing) that I reexport using Reexport.jl.
In this functions they can be used and their doc searched by users without the submodule prefix:

However on juliahub its documentation can’t be found… it seems that no functions are available in the juliahub compiled documentation: