docs(appframesidenav): update end section story

Author: marissahuysentruyt

components/appframesidenav/stories/appframesidenav.stories.js

@@ -75,8 +75,16 @@ Default.args = {};
 export const EndSection = Template.bind({});
 EndSection.args = {
 	customStyles: {
-		minBlockSize: "450px",
+		minBlockSize: "600px",
 	},
+	items: [
+		...defaultSideNavItems,
+		{
+			label: "Settings",
+			workflowIconName: "Settings",
+			isEndSectionStart: true,
+		},
+	]
 };
 
 /**