doc: usage.md: add note about batch/bulk creation operation

added in https://github.com/shaarli/Shaarli/pull/1587

diff --git a/doc/md/Usage.md b/doc/md/Usage.md
index 6dadde0a04f3b5d7fcef0583438f1087f6c1921e..3c1d9200342a9b1222b62ac3fe46ba8ddac161f3 100644 (file)
--- a/doc/md/Usage.md
+++ b/doc/md/Usage.md
@@ -19,6 +19,7 @@ While logged in to your Shaarli, you can add, edit or delete Shaares:
 - Using the [REST API](https://shaarli.github.io/api-documentation/)
 - Any Shaare can edited by clicking its ![](images/edit_icon.png) `Edit` button.
 
+The `Shaare a new link` dialog also allows you to create multiple bookmarks at once (unfold the `bulk creation` section and add one URL per line).
 
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