Bump nav order for new docs

docs/customization.md

 ---
 layout: default
 title: Customization
-nav_order: 5
+nav_order: 6
 ---
 
 # Customization

docs/navigation-structure.md

 ---
 layout: default
 title: Navigation Structure
-nav_order: 4
+nav_order: 5
 ---
 
 # Navigation Structure

docs/search.md

 ---
 layout: default
 title: Search
-nav_order: 6
+nav_order: 7
 ---
 
 # Search

docs/ui-components/code.md

@@ -2,7 +2,7 @@
 layout: default
 title: Code
 parent: UI Components
-nav_order: 5
+nav_order: 6
 ---
 
 # Code

docs/ui-components/ui-components.md

 ---
 layout: default
 title: UI Components
-nav_order: 2
+nav_order: 3
 has_children: true
 parent: UI Components
 permalink: /ui-components

docs/utilities/utilities.md

 ---
 layout: default
 title: Utilities
-nav_order: 3
+nav_order: 4
 parent: Utilities
 has_children: true
 permalink: /utilities