more fullstack cleanups: loaders serialize, ServeConfig only (#4785)

* some opinionated cleanups in dioxus-server

* add serialize to loader

* add `result` to Resource

* clippy

* fix

* writable memos, resources, `onmount`, `.pending`, and `.value()` on actions

* fix compile issues

* fix typo

packages/logger/src/lib.rs

@@ -101,7 +101,8 @@ pub fn init(level: Level) -> Result<(), SetGlobalDefaultError> {
             .with_env_filter(
                 tracing_subscriber::EnvFilter::builder()
                     .with_default_directive(level.into())
-                    .from_env_lossy(),
+                    .from_env_lossy()
+                    .add_directive("hyper_util=warn".parse().unwrap()), // hyper has `debug!` sitting around in some places that are spammy
             );
 
         if !dioxus_cli_config::is_cli_enabled() {