[update] mention backend sync in demo intro

- integration demo intro now states data is synced through a backend
- applied across en, ru, zh, de, ko locales

Author: serhiipylypchuk1991

docs/guides/integration.md

@@ -14,7 +14,7 @@ You can integrate DHTMLX Kanban with other DHTMLX widgets, including:
 
 ## Gantt, Event Calendar, and To Do List
 
-The following demo embeds a Kanban board alongside Gantt, Event Calendar, and To Do List views:
+The following demo embeds a Kanban board alongside Gantt, Event Calendar, and To Do List views, with data synchronized through a backend:
 
 <iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 

i18n/de/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -14,7 +14,7 @@ Sie können DHTMLX Kanban mit anderen DHTMLX-Widgets integrieren, darunter:
 
 ## Gantt, Event Calendar und To Do List {#gantt-event-calendar-and-to-do-list}
 
-Die folgende Demo bettet ein Kanban-Board neben Gantt-, Event Calendar- und To Do List-Ansichten ein:
+Die folgende Demo bettet ein Kanban-Board neben Gantt-, Event Calendar- und To Do List-Ansichten ein, wobei die Daten über ein Backend synchronisiert werden:
 
 <iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 

i18n/ko/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -14,7 +14,7 @@ DHTMLX Kanban은 다음과 같은 다른 DHTMLX 위젯과 통합하여 사용할
 
 ## Gantt, Event Calendar 및 To Do List {#gantt-event-calendar-and-to-do-list}
 
-다음 데모는 Gantt, Event Calendar 및 To Do List 뷰와 함께 Kanban 보드를 임베드한 예제입니다:
+다음 데모는 Gantt, Event Calendar 및 To Do List 뷰와 함께 Kanban 보드를 임베드하며, 백엔드를 통해 데이터를 동기화하는 예제입니다:
 
 <iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 

i18n/ru/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -14,7 +14,7 @@ description: Вы можете узнать об интеграции в док
 
 ## Gantt, Event Calendar и To Do List {#gantt-event-calendar-and-to-do-list}
 
-Следующее демо встраивает доску Kanban вместе с представлениями Gantt, Event Calendar и To Do List:
+Следующее демо встраивает доску Kanban вместе с представлениями Gantt, Event Calendar и To Do List, с синхронизацией данных через бэкенд:
 
 <iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>
 

i18n/zh/docusaurus-plugin-content-docs/current/guides/integration.md

@@ -14,7 +14,7 @@ description: 您可以在DHTMLX JavaScript Kanban库的文档中了解集成方
 
 ## Gantt、Event Calendar和To Do List {#gantt-event-calendar-and-to-do-list}
 
-以下示例将Kanban看板与Gantt、Event Calendar和To Do List视图嵌入在一起：
+以下示例将Kanban看板与Gantt、Event Calendar和To Do List视图嵌入在一起，并通过后端同步数据：
 
 <iframe src="https://snippet.dhtmlx.com/i9i9icc6?mode=result&tag=kanban" frameborder="0" class="snippet_iframe" width="100%" height="700"></iframe>