Add manifest file for VSCodium v1.48 x64 (#3080)

manifests/VSCodium/VSCodium/1.48.yaml

@@ -0,0 +1,24 @@
+# ================== General ==================
+Id: VSCodium.VSCodium
+Publisher: VSCodium
+Name: VSCodium
+Author: VSCodium
+Description: VSCodium is a community-driven, freely-licensed binary distribution of Microsoft’s editor VSCode
+AppMoniker: vscodium
+Commands: codium
+Tags: editor, vscodium
+#FileExtensions: txt, cfg     # FileExtensions are not supported in this preview (5/24/2020)
+
+# ================== License ==================
+Homepage: https://vscodium.com/
+License: MIT License
+LicenseUrl: https://github.com/VSCodium/vscodium/blob/master/LICENSE 
+
+# ================= Installer =================
+Version: 1.48
+
+InstallerType: Inno
+Installers:
+  - Arch: x64
+    Url: https://github.com/VSCodium/vscodium/releases/download/1.48.0/VSCodiumUserSetup-x64-1.48.0.exe
+    Sha256: 407de933a66db7b404d07feea103838e7048cbdaf528e4f6fc1a6f0e0231ea5b