os-nextcloud-backup Add support for having backing up to a subdirectory instead of the root backupdir#5191

Nuadh123 wants to merge 2 commits intoopnsense:masteropnsense/plugins:masterfrom

Nuadh123:nextcloud_option_add_hostname_dirNuadh123/plugins:nextcloud_option_add_hostname_dirCopy head branch name to clipboard