upate material docs

Author: ngokevin

docs/components/index.md renamed to docs/components/camera.md

@@ -1,10 +1,8 @@
 ---
 title: camera
-section_title: Components
 type: components
 layout: docs
-parent_section: docs
-section_order: 3
+parent_section: components
 ---
 
 The camera component defines from which perspective the user views the scene. It is often paired with controls components that allow input devices to move and rotate the camera.

docs/components/geometry.md

@@ -2,8 +2,11 @@
 title: geometry
 type: components
 layout: docs
-parent_section: components
-order: 6
+order: 1
+
+parent_section: docs
+section_title: Components
+section_order: 3
 ---
 
 The geometry component provides a basic shape for an entity. The general