Update azure-pipelines.yml for Azure Pipelines

Author: Solenoden

azure-pipelines.yml

@@ -52,6 +52,14 @@ stages:
     jobs:
       - job: Publish_to_npm
         steps:
+          - task: NodeTool@0
+            inputs:
+              versionSpec: '14.16.x'
+            displayName: 'Install Node.js'
+
+          - script: npm install -g @angular/cli
+            displayName: 'Install Angular CLI'
+            
           - task: Npm@1
             inputs:
               workingDir: $(System.DefaultWorkingDirectory)