Doc update for stateful pages

[alpakaxaxa]

Hey ryannhg I am new to Elm and I am not a very thorough person. I got stuck using elm-spa right at the start when I wanted to create a stateful page because the modules were missing when I generated a Page.sandbox.

I had to run elm-spa gen in order to sort this and I had to ask in the Elm beginner Slack :) maybe the update is a bit clearer for people like me that don't really know what they are doing and don't have a very good memory!

Other than that, I have a question regarding the command $ elm-spa add / sandbox
The documentation says it generates

page : Shared.Model -> Request -> Page.With Model Msg page = Page.sandbox { init = init , update = update , view = view }

but actually it generates
page : Shared.Model -> Request.With Params -> Page.With Model Msg page shared req = Page.sandbox { init = init , update = update , view = view }
the difference is "Request.With Params" and "page shared req"

is this intentional or should the documentation be updated for this too?

Thank you so much for your project. As I got stuck so early I can't say anything about it but I am looking forward to trying it out.

Best, Stephan