use content rather than component

Author: jjallaire

docs/dashboards/data-presentation.qmd

@@ -259,7 +259,7 @@ Here is the code you might use to create these value boxes. Note that we use a m
 ## Row 
 
 ```{{python}}
-#| component: valuebox
+#| content: valuebox
 #| title: "Articles per day"
 #| icon: pencil
 #| color: primary
@@ -269,7 +269,7 @@ dict(
 ```
 
 ```{{python}}
-#| component: valuebox
+#| content: valuebox
 #| title: "Comments per day"
 dict(
   icon = "chat",
@@ -279,7 +279,7 @@ dict(
 ```
 
 ```{{r}}
-#| component: valuebox
+#| content: valuebox
 #| title: "Spam per day"
 list(
   icon = "trash",