remove docstring warning

Author: MartinuzziFrancesco

docs/make.jl

@@ -10,7 +10,6 @@ include("pages.jl")
 makedocs(; modules=[ReservoirComputing],
     sitename="ReservoirComputing.jl",
     clean=true, doctest=false, linkcheck=true,
-    warnonly=[:missing_docs],
     format=Documenter.HTML(; assets=["assets/favicon.ico"],
         canonical="https://docs.sciml.ai/ReservoirComputing/stable/"),
     pages=pages)