Add nodejs CI with node 13.x

.github/workflows/nodejs.yml

@@ -0,0 +1,28 @@
+name: Node.js CI
+
+on:
+        push:
+                branches: [ master, beta ]
+        pull_request:
+                branches: [ master ]
+
+jobs:
+        build:
+
+                runs-on: ubuntu-latest
+
+                strategy:
+                        matrix:
+                        node-version: [10.x, 12.x, 13.x]
+
+                steps:
+                        - uses: actions/checkout@v2
+                        - name: Use Node.js ${{ matrix.node-version }}
+                                uses: actions/setup-node@v1
+                                with:
+                                node-version: ${{ matrix.node-version }}
+                        - run: npm ci
+                        - run: npm run build --if-present
+                        - run: npm test
+                                env:
+                                        CI: true