Update docs, indicate availability of a fallback option

docs/content/vue-introduction.md

@@ -4,14 +4,20 @@ The `GalaxyCharts` core component serves as a container for embedding JavaScript
 
 ```vue
 <template>
-    <GalaxyCharts>
+    <GalaxyCharts :credentials="credentials" :incoming="incoming">
         <template #default="{ datasetId, datasetUrl, root, settings, specs, tracks }">
             <!-- Place your plugin code here! -->
         </template>
     </GalaxyCharts>
 </template>
 ```
 
+## Overview of Props
+| Variable | Description |
+|----------|-------------|
+|**credentials**| (Optional) Specifies whether to include or omit credentials in the request. Acceptable values are "include" or "omit." 
+|**incoming**| (Optional) Use this when parsing incoming data prepared by Galaxy as a property. If not specified, the component will look for data in the `#app` container's `data-incoming` attribute. This incoming data includes details and settings for visualization plugins.
+
 ## Overview of Slot Values
 
 | Variable | Description |