Add back WireGuard, fixing spellings and URLs (#5822)

This commit fixes up wrong information and wrong spelling, and adds the
other supported architectures as comments (for now).

manifests/WireGuard/WireGuard/0.3.4.yaml

@@ -0,0 +1,26 @@
+Id: WireGuard.WireGuard
+Version: 0.3.4
+Name: WireGuard
+Publisher: WireGuard LLC
+License: Copyright © 2015-2020 Jason A. Donenfeld. All Rights Reserved.
+AppMoniker: wireguard
+Tags: wireguard, vpn
+Description: WireGuard® is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography.
+Homepage: https://www.wireguard.com/
+Installers:
+  - Arch: x64
+    Url: https://download.wireguard.com/windows-client/wireguard-amd64-0.3.4.msi
+    Sha256: 9d52a4c7f51a0a5aa06b68145fea9891a780f250b0cd0f5a2b468f5268829411
+    InstallerType: msi
+#  - Arch: x86
+#    Url: https://download.wireguard.com/windows-client/wireguard-x86-0.3.4.msi
+#    Sha256: 300c5c5d220f8689a2b543f1b873280b73baf61db085f7f0327bde2c2cb16003
+#    InstallerType: msi
+#  - Arch: arm
+#    Url: https://download.wireguard.com/windows-client/wireguard-arm-0.3.4.msi
+#    Sha256: 1adf66127c53f6642732ca3e6c419e61524ebb03f11bfe570fe1bb1e524f3eb3
+#    InstallerType: msi
+#  - Arch: arm64
+#    Url: https://download.wireguard.com/windows-client/wireguard-arm64-0.3.4.msi
+#    Sha256: eb75cb86822329716fa0cc31b8c30e83dc0d5ace068d227f9a2835fe9ca663bf
+#    InstallerType: msi