Update to Paperless-ngx instead of -ng (#2908)

README.md

@@ -698,7 +698,7 @@ _See also: [awesome-sysadmin/DNS](https://github.com/awesome-foss/awesome-sysadm
 - [EveryDocs](https://github.com/jonashellmann/everydocs-core/) - A simple Document Management System for private use with basic functionality to organize your documents digitally. `GPL-3.0` `Ruby`
 - [I, Librarian](https://i-librarian.net) - I, Librarian can organize PDF papers and office documents. It provides a lot of extra features for students and research groups both in industry and academia. ([Demo](https://i-librarian.net/demo/), [Source Code](https://github.com/mkucej/i-librarian-free)) `GPL-3.0` `PHP`
 - [Mayan EDMS](https://www.mayan-edms.com) - Free Open Source Electronic Document Management System. An electronic vault for your documents with preview generation, OCR, and automatic categorization among other features. ([Source Code](https://gitlab.com/mayan-edms/mayan-edms)) `Apache-2.0` `Python`
-- [Paperless-ng](https://github.com/jonaswinkler/paperless-ng) - A fork of paperless, adding a new interface and many other changes under the hood. Scan, index, and archive all of your paper documents. `GPL-3.0` `Python`
+- [Paperless-ngx](https://github.com/paperless-ngx/paperless-ngx) - A fork of paperless, adding a new interface and many other changes under the hood. Scan, index, and archive all of your paper documents. ([Demo](https://demo.paperless-ngx.com/)) `GPL-3.0` `Python`
 - [Papermerge](https://www.papermerge.com) - Open Source Document Management System focused on scanned documents (electronic archives). Features file browsing in similar way to dropbox/google drive. OCR, full text search, text overlay/selection. ([Source Code](https://github.com/ciur/papermerge)) `Apache-2.0` `Python`
 - [paper{s}pace](https://dedicatedcode.com/projects.html) - a small web application to manage all your offline documents. Provides a searchable storage for your documents and reminds you of upcoming tasks. ([Source Code](https://gitlab.com/dedicatedcode/paperspace)) `MIT` `Java`
 - [Teedy](https://teedy.io/) - (Ex SismicsDocs) Lightweight document management system packed with all the features you can expect from big expensive solutions. ([Source Code](https://github.com/sismics/docs)) `GPL-2.0` `Java`