Remove dioxus-lib, fix doc imports (#4438)

* remove dioxus lib

* inline some doc items

* fix tests

* test docs

* Fix doc tests

* Pull out dioxus/lib feature

* disable logger and devtools in library feature

* fix cargo doc

* fix cargo doc

packages/router/README.md

@@ -27,7 +27,6 @@ expressiveness.
 
 ```rust, no_run
 use dioxus::prelude::*;
-use dioxus_router::prelude::*;
 use std::str::FromStr;
 
 #[rustfmt::skip]