add new m365 app icons

Author: lindalu-MSFT

docs/reference/javascript-api-for-office.md

@@ -21,25 +21,25 @@ You should use application-specific APIs whenever feasible, and use Common APIs
 
 :::row:::
    :::column span="":::
-        :::image type="content" source="../images/index/logo-excel.svg" alt-text="Excel API reference":::
+        :::image type="content" source="../images/m365-app-excel.png" alt-text="Excel API reference":::
         </br>**Excel API reference**</br>[JavaScript APIs for building Excel add-ins](/javascript/api/excel)
    :::column-end:::
    :::column span="":::
-        :::image type="content" source="../images/index/logo-outlook.svg" alt-text="Outlook API reference":::
+        :::image type="content" source="../images/m365-app-outlook.png" alt-text="Outlook API reference":::
         </br>**Outlook API reference**</br>[JavaScript APIs for building Outlook add-ins](/javascript/api/outlook)
    :::column-end:::
    :::column span="":::
-        :::image type="content" source="../images/index/logo-word.svg" alt-text="Word API reference":::
+        :::image type="content" source="../images/m365-app-word.png" alt-text="Word API reference":::
         </br>**Word API reference**</br>[JavaScript APIs for building Word add-ins](/javascript/api/word)
    :::column-end:::
 :::row-end:::
 :::row:::
    :::column span="":::
-        :::image type="content" source="../images/index/logo-powerpoint.svg" alt-text="PowerPoint API reference":::
+        :::image type="content" source="../images/m365-app-powerpoint.png" alt-text="PowerPoint API reference":::
         </br>**PowerPoint API reference**</br>[JavaScript APIs for building PowerPoint add-ins](/javascript/api/powerpoint)
    :::column-end:::
    :::column span="":::
-        :::image type="content" source="../images/index/logo-onenote.svg" alt-text="OneNote API reference":::
+        :::image type="content" source="../images/m365-app-onenote.png" alt-text="OneNote API reference":::
         </br>**OneNote API reference**</br>[JavaScript APIs for building OneNote add-ins](/javascript/api/onenote)
    :::column-end:::
    :::column span="":::