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/router/tests/site_map.rs

@@ -0,0 +1,53 @@
+use dioxus::prelude::*;
+
+#[test]
+fn with_class() {
+    #[derive(Routable, Clone, PartialEq, Debug)]
+    enum ChildRoute {
+        #[route("/")]
+        ChildRoot {},
+        #[route("/:not_static")]
+        NotStatic { not_static: String },
+    }
+
+    #[derive(Routable, Clone, PartialEq, Debug)]
+    enum Route {
+        #[route("/")]
+        Root {},
+        #[route("/test")]
+        Test {},
+        #[child("/child")]
+        Nested { child: ChildRoute },
+    }
+
+    #[component]
+    fn Test() -> Element {
+        todo!()
+    }
+
+    #[component]
+    fn Root() -> Element {
+        todo!()
+    }
+
+    #[component]
+    fn ChildRoot() -> Element {
+        todo!()
+    }
+
+    #[component]
+    fn NotStatic(not_static: String) -> Element {
+        todo!()
+    }
+
+    assert_eq!(
+        Route::static_routes(),
+        vec![
+            Route::Root {},
+            Route::Test {},
+            Route::Nested {
+                child: ChildRoute::ChildRoot {}
+            },
+        ],
+    );
+}