Update azure-pipelines.yml for Azure Pipelines

Author: davidwalschots

azure-pipelines.yml

@@ -15,9 +15,11 @@ steps:
     versionSpec: '10.x'
   displayName: 'Install Node.js'
 
-- script: |
-    npm install -g @angular/cli
-    npm install
-    npm run build:lib
-    npm run build:app
-  displayName: 'npm install and build'
+- script: npm install
+  displayName: 'npm install'
+
+- script: npm run build:lib
+  displayName: 'build library'
+
+- script: npm run build:app
+  displayName: 'build app'