add Deluge (#458)

* add Deluge

* Fix file encoding

* Update to nullsoft & add silent switch

manifests/DelugeTeam/Deluge/1.3.15.yaml

@@ -0,0 +1,19 @@
+Id: DelugeTeam.Deluge
+Version: 1.3.15
+Name: Deluge BitTorrent Client
+Publisher: Deluge Team
+License: GNU GPL v3
+LicenseUrl: https://git.deluge-torrent.org/deluge/tree/LICENSE
+AppMoniker: deluge
+Tags: torrent
+Description: Deluge is a lightweight, Free Software, cross-platform BitTorrent client.
+Homepage: https://deluge-torrent.org/
+Installers:
+  - Arch: Neutral
+    Url: https://ftp.osuosl.org/pub/deluge/windows/deluge-1.3.15-win32-py2.7.exe
+    Sha256: D3F7D371B70CA10C7E912B9D3443FEA3ACD0C905AAB4AC7799F02E65B58C8E59
+    InstallerType: nullsoft
+    Switches:
+      Silent: /S
+      SilentWithProgress: /S
+