Add initial manifest for Blitz. (#8936)

* Add initial manifest for Blitz.

* Fix faulty manifest name by adding 4th version number.

* Add leading 'www.' to LicenseUrl to please the validation job.

manifests/Blitz/Blitz/1.13.140.0.yaml

@@ -0,0 +1,17 @@
+Id: Blitz.Blitz
+Publisher: Blitz
+Name: Blitz
+Version: 1.13.140.0
+License: Custom use license
+InstallerType: EXE
+LicenseUrl: https://www.blitz.gg/terms-of-service
+AppMoniker: blitz.gg
+Tags: lol, blitz, league, legends
+Description: Blitz App - Your personal gaming coach
+Homepage: https://blitz.gg/
+Installers:
+  - Arch: x86
+    InstallerType: EXE
+    Url: https://blitz.gg/download/win
+    Sha256: A4D02A2718C09D312B37E45AAE721A06BF9FD4AC4E2610B3D1054F83D29AB4FB
+# Generated by https://github.com/ptorr-msft/WinGetYamlGenerator