Update build.yml

.github/workflows/build.yml

@@ -21,6 +21,12 @@ jobs:
       - run: npm install -g @angular/cli
       - run: bash build.sh
 
+      - name: Upload a Build Artifact
+        uses: actions/upload-artifact@v2.1.4
+        with:
+          name: production
+          path: ./dist/index/index.tar
+
       - name: SCP
         uses: appleboy/scp-action@master
         with: