Update QuickScan name and add WebDAV capability

[Crocmagnon]

QuickScan is now named "OCR Scanner - QuickScan" as per the App Store listing.
It also supports WebDAV.

Transferred from jonaswinkler/paperless-ng#1668

[paperless-ngx-secretary]

Hello @Crocmagnon,

thank you very much for submitting this PR to us!

This is what will happen next:

1. My robotic colleagues are currently checking your changes to see if they break anything. You can see the progress below.
2. Once that is finished, human contributors from paperless-ngx review your changes. Since this is a non-trivial change, a review from at least two contributors is required.
3. Please improve anything that comes up during the review until your pull request gets approved.
4. Your pull request will be merged into the dev branch. Changes there will be tested further.
5. Eventually, changes from you and other contributors will be merged into master and a new release will be made.

Please allow up to 7 days for an initial review. We're all very excited about new pull requests but we only do this as a hobby.
If any action will be required by you, please reply within a month.

[Crocmagnon]

Well I believe the non-trivial label is not deserved 😁

[bauerj]

Thanks!

I manually merged this in bb0e858. Sorry for the confusion, we should make dev the default branch for new pull requests!

[github-actions]

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