feat: add screenshot of webdav link location

Signed-off-by: Jana Peper <jana.peper@nextcloud.com>

Author: janepie

user_manual/files/access_webdav.rst

@@ -76,7 +76,12 @@ If Nextcloud is installed in a subdirectory called "nextcloud"::
    URL of your Nextcloud server (omit the directory part if the installation is
    in the root of your domain), and **USERNAME** with the username of the connecting user.
 
-   See the WebDAV URL (bottom left in settings) on your Nextcloud.
+   See the WebDAV URL, to be found in Files Settings -> WebDAV in the Files on your Nextcloud account.
+
+   .. image:: ../images/webdav_link.png
+    :alt: Screenshot of the Files settings showing the personal WebDAV link
+
+
 
 
 Accessing files using Linux