add Stretchly 1.3.0 (#4697)

manifests/Stretchly/Stretchly/1.3.0.yaml

@@ -0,0 +1,18 @@
+Id: Stretchly.Stretchly
+Publisher: Stretchly 
+Name: Stretchly 
+Version: 1.3.0
+License: Copyright (c) 2016-2020, Jan Hovancik
+InstallerType: EXE
+LicenseUrl: https://github.com/hovancik/stretchly/blob/master/LICENSE
+Tags: reminder,breaktime
+Description: Stretchly is a cross-platform electron app that reminds you to take breaks when working on your computer.
+Homepage: https://hovancik.net/stretchly
+Installers:
+  - Arch: x86
+    Url: https://github.com/hovancik/stretchly/releases/download/v1.3.0/Stretchly-Setup-1.3.0.exe
+    Sha256: 385df0dc36647af75451ba46b9fc85e9a551ff7300f1c8d3afb42079fd445c1c
+    Switches:
+      Silent: /S 
+      SilentWithProgress: /S 
+# Generated by https://github.com/ptorr-msft/WinGetYamlGenerator