Update angular.yml

.github/workflows/angular.yml

@@ -13,8 +13,25 @@ on:
       - master
       - dev
 jobs:
+  install:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v1
+      - uses: borales/actions-yarn@v2.0.0
+        with:
+          node-version: '10.x'
+      - run: |
+          yarn
+          yarn global add symlink
+        working-directory: npm/ng-packs
   build:
+    needs: [install]
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v1
-      - run: pwd
+      - uses: borales/actions-yarn@v2.0.0
+        with:
+          node-version: '10.x'
+      - run: |
+          symlink copy --angular --packages @abp/ng.core --sync-build
+        working-directory: npm/ng-packs