docs: add more doc

docs/guide/src/SUMMARY.md

@@ -6,33 +6,31 @@
 - [Describing the UI](elements/index.md)
   - [Intro to Elements](elements/vnodes.md)
   - [Intro to Components](elements/components.md)
+  - [The Props Macro](elements/propsmacro.md)
   - [Reusing, Importing, and Exporting Components](elements/exporting_components.md)
   - [Passing children and attributes](elements/component_children.md)
   - [Conditional Rendering](elements/conditional_rendering.md)
   - [Lists](elements/lists.md)
 - [Adding Interactivity](interactivity/index.md)
   - [Hooks and Internal State](interactivity/hooks.md)
-
-  <!-- - [Event handlers](interactivity/event_handlers.md)
+  - [Event handlers](interactivity/event_handlers.md)
   - [User Input and Controlled Components](interactivity/user_input.md)
-  - [Lifecycle, updates, and effects](interactivity/lifecycles.md) -->
-<!-- 
+  - [Lifecycle, updates, and effects](interactivity/lifecycles.md)
 - [Managing State](state/index.md)
   - [Local State](state/localstate.md) 
   - [Lifting State](state/liftingstate.md) 
   - [Global State](state/sharedstate.md)
-  - [Error handling](state/errorhandling.md) -->
-
-<!-- - [Working with Async](async/index.md)
-  - [Tasks](async/asynctasks.md) -->
-
-<!-- - [Putting it all together: Dog Search Engine](tutorial/index.md)
+  - [Error handling](state/errorhandling.md)
+- [Working with Async](async/index.md)
+  - [Tasks](async/asynctasks.md)
+  - [Fetching](async/fetching.md)
+- [Putting it all together: Dog Search Engine](tutorial/index.md)
   - [New app](tutorial/new_app.md)
   - [Structuring our app](tutorial/structure.md)
   - [Defining State](tutorial/state.md)
   - [Defining Components](tutorial/components.md)
   - [Styling](tutorial/styling.md)
-  - [Bundling](tutorial/publishing.md) -->
+  - [Bundling](tutorial/publishing.md)
 - [Next Steps and Advanced Topics](final.md)