multiple fullstack nits/cleanups before release (#4852)

* feat: `:arg` syntax for serverfn

* add better decode/encode verify message

* allow catch-all query args

* add rebind

* implement websocket frames for `Streaming`

* fix lazy init

* wip... serverfnstate

* wip...

* wip: serverfns require Send/Sync, let's fix that

* wip...

* small cleanup

* fix hang by actually spawning the tokio task

* clippy

* fix parameter catchall binding

* fix lychee

* doc tests

examples/07-fullstack/server_functions.rs

@@ -92,8 +92,8 @@
 //! take a `State<T>` extractor cannot be automatically added to the router since the dioxus router
 //! type does not know how to construct the `T` type.
 //!
-//! These server functions will be registered once the `ServerFnState<T>` layer is added to the app with
-//! `router = router.layer(ServerFnState::new(your_state))`.
+//! These server functions will be registered once the `ServerState<T>` layer is added to the app with
+//! `router = router.layer(ServerState::new(your_state))`.
 //!
 //! ## Middleware
 //!