Update faq.yml

ADded limit of number of files in a project to render and stitch.

Author: fvneerden

articles/azure-video-indexer/faq.yml

@@ -57,6 +57,10 @@ sections:
           In the Azure Video Indexer web-based portal, you can upload a media file using the file upload dialog or by pointing to a URL that directly hosts the source file (see [example](https://nimbuscdn-nimbuspm.streaming.mediaservices.windows.net/2b533311-b215-4409-80af-529c3e853622/Ignite-short.mp4)). Any URL that hosts the media content using an iFrame or embed code will not work (see [example](https://www.videoindexer.ai/accounts/7e1282e8-083c-46ab-8c20-84cae3dc289d/videos/5cfa29e152/?t=4.11)).
 
           For more information, please see this [how-to guide](./upload-index-videos.md).
+ 
+       - question: How many files can I stitch in a project
+        answer: |
+          In the Azure Video Indexer you can create a project and add multiple files to stitch and render as a new file. The number of source files is set to 10 in the portal UI and 100 in the API. This is a limit set by the Azure Media Services Media Encoder Standard API.
 
       - question: How long does it take Azure Video Indexer to extract insights from media?
         answer: |