correct markdown formatting errors, update timestamp in doc frontmatter

Author: andrewconnell

docs/spfx/viva/get-started/advanced-quick-view-functionality.md

@@ -1,7 +1,7 @@
 ---
 title: Advanced Quick View Functionality
 description: "This tutorial builds off the tutorial 'Advanced Card View Functionality'."
-ms.date: 10/25/2021
+ms.date: 11/11/2021
 ms.prod: sharepoint
 ms.localizationpriority: high
 ---
@@ -78,22 +78,26 @@ Start with the HelloWorld ACE from the previous tutorial, [Advanced Card View Fu
       ]
     }
     ```
-1. As you can see in the JSON template, we use the ${index} to pass the selected item index to the QuickView. To allow this to works, we must add and populate _index_ property of  the _IListItem_ object defined in the previous tutorial. Open and locate the file **./src/adaptiveCardExtensions/helloWorld/HelloWorldAdaptiveCardExtension.ts**, than add the property _index_ to the _IListItem_ definition:
-```typescript
-export interface IListItem {
-  title: string;
-  description: string;
-  index: number;
-}
-```
-1. Finally locate the _\_fetchData_ method in the same class and modify the map function inside it, to: 
-```typescript
-...
-.then((jsonResponse) => jsonResponse.value.map(
-    (item, index) => { return { title: item.Title, description: item.Description, index: index }; })
-)
-...
-```
+
+1. As you can see in the JSON template, we use the ${index} to pass the selected item index to the QuickView. To allow this to works, we must add and populate `index` property of  the `IListItem` object defined in the previous tutorial. Open and locate the file **./src/adaptiveCardExtensions/helloWorld/HelloWorldAdaptiveCardExtension.ts**, than add the property `index` to the `IListItem` definition:
+
+    ```typescript
+    export interface IListItem {
+      title: string;
+      description: string;
+      index: number;
+    }
+    ```
+
+1. Finally locate the `fetchData()` method in the same class and modify the map function inside it, to: 
+
+    ```typescript
+    ...
+    .then((jsonResponse) => jsonResponse.value.map(
+        (item, index) => { return { title: item.Title, description: item.Description, index: index }; })
+    )
+    ...
+    ```
 
 Build and launch the ACE in the hosted workbench: