Fix some CI (windows + nasm, core-macro error) (#2676)

* Moves index.html creation until after wasm creation so the webserver doesn't prematurely serve the page
* sets up nasm for windows builds (to be superseded by Remove Dioxus CLI NASM dependency #2666 #2682)
* puts magnanis-cli-support in a blocking task to prevent threadlocking during sequential builds
* changes order of client/server builds such that the client is built before the server so the webserver doesn't prematurely serve invalid client code
* declobbers "serve" such that each project gets a different dir in the target folder
* uses nest_service instead of fallback so the router doesn't respond with fallback codes
* reincorporates doge's fix from Fix hot-reloading on Windows #2544

packages/cli/src/serve/mod.rs

@@ -45,16 +45,15 @@ use watcher::*;
 /// - I want us to be able to detect a `server_fn` in the project and then upgrade from a static server
 ///   to a dynamic one on the fly.
 pub async fn serve_all(serve: Serve, dioxus_crate: DioxusCrate) -> Result<()> {
-    let mut server = Server::start(&serve, &dioxus_crate);
-    let mut watcher = Watcher::start(&dioxus_crate);
-    let mut screen = Output::start(&serve)
-        .await
-        .expect("Failed to open terminal logger");
     let mut builder = Builder::new(&dioxus_crate, &serve);
 
     // Start the first build
     builder.build();
 
+    let mut server = Server::start(&serve, &dioxus_crate);
+    let mut watcher = Watcher::start(&dioxus_crate);
+    let mut screen = Output::start(&serve).expect("Failed to open terminal logger");
+
     loop {
         // Make sure we don't hog the CPU: these loop { select! {} } blocks can starve the executor
         yield_now().await;

packages/cli/src/serve/output.rs

@@ -86,7 +86,7 @@ enum Tab {
 type TerminalBackend = Terminal<CrosstermBackend<io::Stdout>>;
 
 impl Output {
-    pub async fn start(cfg: &Serve) -> io::Result<Self> {
+    pub fn start(cfg: &Serve) -> io::Result<Self> {
         let interactive = std::io::stdout().is_tty() && cfg.interactive.unwrap_or(true);
 
         let mut events = None;

packages/cli/src/serve/server.rs

@@ -328,13 +328,13 @@ fn setup_router(
     match platform {
         Platform::Web => {
             // Route file service to output the .wasm and assets if this is a web build
-            router = router.fallback(build_serve_dir(serve, config));
+            router = router.nest_service("/", build_serve_dir(serve, config));
         }
         Platform::Fullstack | Platform::StaticGeneration => {
             // For fullstack and static generation, forward all requests to the server
             let address = fullstack_address.unwrap();
 
-            router = router.fallback(super::proxy::proxy_to(
+            router = router.nest_service("/",super::proxy::proxy_to(
                 format!("http://{address}").parse().unwrap(),
                 true,
                 |error| {