Replace bundle pages with links to main doc (ibexa#1)

Author: DominikaK

docs/personalization/bundles.md

@@ -0,0 +1,3 @@
+# Bundles
+
+To learn more about the Recommendation Bundle in eZ Platform, see [Recommendation in eZ Platform documentation](https://doc.ezplatform.com/en/latest/guide/recommendation/).

docs/personalization/bundles/ez_recommendation_bundle.md

@@ -30,9 +30,7 @@ pages:
         - Best practices:
             - 'Tracking integration': 'personalization/best_practices/tracking_integration.md'
             - 'Recommendation integration': 'personalization/best_practices/recommendation_integration.md'
-        - Bundles:
-            - 'eZ Recommendation Bundle': 'personalization/bundles/ez_recommendation_bundle.md'
-            - 'eZ Recommendation Widget': 'personalization/bundles/ez_recommendation_widget.md'
+        - 'Bundles': 'personalization/bundles.md'
     - E-Commerce Plugins:
         - 'Magento2': 'ecommerce_plugins/magento2.md'
         - 'OXID': 'ecommerce_plugins/oxid.md'