fix the macro export and WIP hot reloading docs

docs/guide/src/en/SUMMARY.md

@@ -5,11 +5,11 @@
 - [Getting Started](getting_started/index.md)
   - [Desktop](getting_started/desktop.md)
   - [Web](getting_started/web.md)
-    - [Hot Reload](getting_started/hot_reload.md)
   - [Server-Side Rendering](getting_started/ssr.md)
   - [Liveview](getting_started/liveview.md)
   - [Terminal UI](getting_started/tui.md)
   - [Mobile](getting_started/mobile.md)
+  - [Hot Reloading](getting_started/hot_reload.md)
 - [Describing the UI](describing_ui/index.md)
   - [Special Attributes](describing_ui/special_attributes.md)
   - [Components](describing_ui/components.md)