enhance: more consistent patterns generated by elm-land

[plyr4]

matching more style/pattern consistency that is generated and formatted from the elm-land CLI using generate:

• switch statement patterns (new: a :: b :: [])
• ordering for switch branches, types, imports

and some code was moved elsewhere so that it wouldnt conflict with elm-land generate static code.

• moved authentication flow logic from Main.elm to /Pages/Account_Authenticate.elm and /Pages/Account_Logout.elm (functionally identical)
• moved parsePath to Utils.Routes so generate wont cause conflicts with Route.elm

if we combine those changes with some tweaks to the elm-land CLI that I made in this fork:

elm-land/elm-land@main...plyr4:elm-land-vela:main

changes:

• added the OSS license header to the top of the generated files
• added query param redirect logic we need for auth

you can actually use elm-land generate to build layouts and pages!

# build custom elm-land CLI from github.com/plyr4/elm-land-vela
(cd projects/cli ; npm install ; npm run setup ; npm link)

# build a new page
elm-land add page '/:org/:repo/newthang'
elm-land generate
elm-format --yes src

then visit http://localhost:8888/org/repo/newthang

note: you need an empty elm-land.json in the root of the repository to run elm-land generate:

{
    "app":{
        "config":{
            "router":{}
        }
    }
}

due to this line: /~https://github.com/plyr4/elm-land-vela/blob/main/projects/cli/src/effects.js#L222

[KellyMerrick]

lgtm

[KellyMerrick]

lgtm