Add JDownloader 2.0 (#1247)

* Add JDownloader 2.0

* Update JDownloader manifest to multi file format

Co-authored-by: chausner <chausner@users.noreply.github.com>

manifests/a/AppWork/JDownloader/2.0/AppWork.JDownloader.locale.en-US.yaml

@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultlocale.1.0.0.schema.json
+PackageIdentifier: AppWork.JDownloader
+PackageVersion: "2.0"
+PackageLocale: en-US
+Publisher: AppWork GmbH
+PublisherUrl: https://wemakeyourappwork.com/
+PackageName: JDownloader
+PackageUrl: https://jdownloader.org/
+License: Copyright © 2009-2020 AppWork GmbH
+ShortDescription: Download Manager for File Hosters
+Description: >
+  JDownloader is a free, open-source download management tool with a huge community of developers
+  that makes downloading as easy and fast as it should be. Users can start, stop or pause 
+  downloads, set bandwith limitations, auto-extract archives and much more.
+Tags:
+  - download manager
+  - file hoster
+ManifestType: defaultLocale
+ManifestVersion: 1.0.0