fix: Use correct cfg for file_watcher feature in dioxus-hot-reload (#1238)

* fix: Use correct cfg for file_watcher feature in dioxus-hot-reload

* Update file_watcher.rs

* Update lib.rs

* fmt

packages/hot-reload/src/file_watcher.rs

@@ -5,6 +5,7 @@ use std::{
     sync::{Arc, Mutex},
 };
 
+use crate::HotReloadMsg;
 use dioxus_core::Template;
 use dioxus_rsx::{
     hot_reload::{FileMap, FileMapBuildResult, UpdateResult},