Ordentliche Dateinamen

Ersetzt Sonderzeichen in Dateinamen, welche über die Dateiverwaltung im Contao Backend hochgeladen wurden.

Version	Freigabe-Notizen und Änderungs-Log
v2.2.0	Added a `contao:proper-filenames:sanitize` command to recursively sanitize large folder structures (see [README](https://github.com/numero2/contao-proper-filenames?tab=readme-ov-file#commands)).
v2.1.9	Do not rename files if no valid characters are configured
v2.1.8	PHP 8.1 Hotfix
v2.1.7
v2.1.6	The field `doNotSanitize` in the File-Manager is now excluded for normal backend users by default and can be granted if necessary
v2.1.5	Fixes problem that occurs when trying to submit a form with non-mandatory file uploads that should be sanitized (see #15)
v2.1.4
v2.1.3	Fixes renaming of folders already containing special characters prior to installating the extension.
v2.1.2	Added option to exclude file upload form fields from being santizied.
v2.1.1	Now also sanitizes files uploaded in the form generator (see #5).
v2.1.0	From now on Proper Filenames is Contao 4 bundle which means there is no support for Contao 3 anymore. If you still need support for Contao 3 you can use version v2.0.5
add Zeige mehr Versionen an
v2.0.5	Now using `ausi/slug-generator` for more control over how filenames are rewritten (see #3).
v2.0.4
v2.0.3
v2.0.2	Contao does not convert german "Umlaute" anymore. We now remove them.
v2.0.1
v2.0.0
dev-master