Remove RTL examples, move RTL docs page to Customize section (#42150)

* Remove RTL examples, move RTL docs page to Customize section

* add link

* fixes

* nice

Author: mdo

site/data/examples.yml

@@ -118,22 +118,6 @@
     - name: Offcanvas navbar
       description: "Turn your expandable navbar into a sliding offcanvas menu (doesn't use our offcanvas component)."
 
-- category: RTL
-  description: "See Bootstrap's RTL version in action with these modified examples from various categories."
-  examples:
-    - name: Album RTL
-      description: 'Simple one-page template for photo galleries, portfolios, and more.'
-    - name: Checkout RTL
-      description: 'Custom checkout form showing our form components and their validation features.'
-    - name: Carousel RTL
-      description: 'Customize the navbar and carousel, then add some new components.'
-    - name: Blog RTL
-      description: 'Magazine like blog template with header, navigation, featured content.'
-    - name: Dashboard RTL
-      description: 'Basic admin dashboard shell with fixed sidebar and navbar.'
-    - name: Cheatsheet RTL
-      description: 'Kitchen sink of Bootstrap components, RTL.'
-
 - category: Integrations
   description: 'Integrations with external libraries.'
   examples:

site/data/sidebar.yml

@@ -35,6 +35,7 @@
     - title: Color modes
     - title: Components
     - title: CSS variables
+    - title: RTL
     - title: Optimize
 
 - title: Layout