Added Node.js version 15.0.0. (#4344)

manifests/OpenJS/NodeJS/15.0.0.yaml

@@ -0,0 +1,18 @@
+Id: OpenJS.NodeJS
+Name: Node.js
+AppMoniker: nodejs
+Version: 15.0.0
+Publisher: Node.js Foundation
+Author: Node.js Foundation
+License: (c) 2020 Node.js Foundation
+LicenseUrl: https://raw.githubusercontent.com/nodejs/node/v14.14.0/LICENSE
+Description: Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.
+Homepage: https://nodejs.org/en/
+Installers:
+  - Arch: x64
+    Url: https://nodejs.org/dist/v15.0.0/node-v15.0.0-x64.msi
+    Sha256: 58D9F5BB9BA5E7D03B097D712E174ABC54DD9FE7B0829000FACEEE9A13CEBD78
+    InstallerType: msi
+    Switches:
+      Silent: /q
+      SilentWithProgress: /q