Create a Static Site Generation platform; Deduplicate hot reloading code (#2226)

* create static site generation helpers in the router crate

* work on integrating static site generation into fullstack

* move ssg into a separate crate

* integrate ssg with the launch builder

* simplify ssg example

* fix static_routes for child routes

* move CLI hot reloading websocket code into dioxus-hot-reload

* fix some unused imports

* use the same hot reloading websocket code for fullstack

* fix fullstack hot reloading

* move cli hot reloading logic into the hot reload crate

* ssg example working with dx serve

* add more examples

* fix clippy

* fix formatting

* fix hot reload doctest imports

* fix axum imports

* don't run server doc tests

* Fix hot reload websocket doc examples

packages/static-generation/examples/simple/src/main.rs

@@ -0,0 +1,17 @@
+//! Static generation lets you pre-render your entire app to static files and then hydrate it on the client.
+use dioxus::prelude::*;
+
+// Generate all routes and output them to the static path
+fn main() {
+    launch(app);
+}
+
+fn app() -> Element {
+    let mut count = use_signal(|| 0);
+
+    rsx! {
+        h1 { "High-Five counter: {count}" }
+        button { onclick: move |_| count += 1, "Up high!" }
+        button { onclick: move |_| count -= 1, "Down low!" }
+    }
+}