947881: Resolved the image not loaded issue for chat ui

Author: premanandh2205

ej2-asp-core-mvc/chat-ui/EJ2_ASP.MVC/header.md

@@ -153,6 +153,8 @@ You can use the `Tooltip` property to specify the tooltip text to be displayed o
 {% endhighlight %}
 {% endtabs %}
 
+![TooltipText](images/tooltip-text.png)
+
 #### Setting CSS Class
 
 You can use the `CssClass` property to customize the header toolbar item.

ej2-asp-core-mvc/chat-ui/EJ2_ASP.NETCORE/header.md

@@ -153,6 +153,8 @@ You can use the `tooltip` property to specify the tooltip text to be displayed o
 {% endhighlight %}
 {% endtabs %}
 
+![TooltipText](images/tooltip-text.png)
+
 #### Setting CSS Class
 
 You can use the `cssClass` property to customize the header toolbar item.