readme updated

OneShelf.Videos/OneShelf.Videos.App/readme.md

@@ -29,4 +29,8 @@ It is not production ready, it's just once-use. Probably I'll make a library lat
 "ConnectionStrings": {
   "VideosDatabase": "Data Source=c:/temp/oneshelf.videos.app.db",
 }
-```
+```
+
+## File share mounting to the linux function app
+
+```az webapp config storage-account add --access-key (storage account access key) -t AzureFiles --account-name (storage account name) --custom-id (storage account name) --name (function app name) --resource-group (function app resource group) --sn (file share name) --mount-path /sharepath1```