Add SumatraPDF v3.2 (#346)

* Add SumatraPDF 3.2

* Silent switches

* encoding

manifests/SumatraPDF/SumatraPDF/3.2.yaml

@@ -0,0 +1,19 @@
+Id: SumatraPDF.SumatraPDF
+Version: 3.2
+Name: SumatraPDF
+Publisher: Krzysztof Kowalczyk
+License: (A)GPLv3 license, with some code under BSD license
+LicenseUrl: https://raw.githubusercontent.com/sumatrapdfreader/sumatrapdf/master/AUTHORS
+AppMoniker: sumatrapdf
+Tags: pdf, epub, mobi, chm, xps, djvu, cbz, cbr, reader
+Description: Sumatra PDF is a PDF, ePub, MOBI, CHM, XPS, DjVu, CBZ, CBR reader for Windows
+Homepage: https://www.sumatrapdfreader.org/
+Commands: sumatrapdf
+Installers:
+  - Arch: x64
+    Url: https://www.sumatrapdfreader.org/dl2/SumatraPDF-3.2-64-install.exe
+    Sha256: 36D95DADF36CEAE35F49BA0DFF47FF628E3433B1150FB5A845F646BE67F90198
+    InstallerType: exe
+    Switches:
+      Silent: "/install /S"
+      SilentWithProgress: "/install /S"