Adding Shadow client (#1935)

* Adding Shadow client

* Updated Version and Hash

* correcting version

Co-authored-by: Ashley Brooker <ashley.brooker@bentley.com>

manifests/Blade/Shadow/5.0.615.yaml

@@ -0,0 +1,17 @@
+Id: Blade.Shadow
+Version: 5.0.615
+Name: Shadow
+Publisher: Blade
+License: Copyright (c) Shadow by Blade
+AppMoniker: shadow
+Tags: streaming
+Description: Video Game Streaming Service
+Homepage: https://shadow.tech
+Installers:
+  - Arch: x64
+    Url: https://shadow.tech/int/shadow-apps/download-shadow-app-for-window-64-bit
+    Sha256: 81E7A10F9E2FE08DD3F227C80A1024AF5992157D87FF18700AF2EC5E2529F864
+    InstallerType: exe
+    Switches:
+      Silent: "/S"
+      SilentWithProgress: "/S"