Refactor: move Component docs into the components directory to reflect how they are presented in the guide

docs/guide/src/SUMMARY.md

@@ -9,11 +9,11 @@
   - [Conditional Rendering](elements/conditional_rendering.md)
   - [Lists](elements/lists.md)
   - [Special Attributes](elements/special_attributes.md)
-- [Components](elements/components.md)
-  - [Properties](elements/propsmacro.md)
-  - [Reusing, Importing, and Exporting](elements/exporting_components.md)
-  - [Children and Attributes](elements/component_children.md)
-  - [How Data Flows](elements/composing.md)
+- [Components](components/index.md)
+  - [Properties](components/propsmacro.md)
+  - [Reusing, Importing, and Exporting](components/exporting_components.md)
+  - [Children and Attributes](components/component_children.md)
+  - [How Data Flows](components/composing.md)
 - [Thinking Reactively]()
   - [Thinking Reactively]()
   - [Thinking Reactively]()