added sample config for turning off form autocompletion on login page
added sample config for turning off form autocompletion on login page

Signed-off-by: Rayn0r <3b93d2b8cad101eaf1cd7d485bc288f442c54578@web.de>

nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server