Update workflow

- Added test, lint, build workflow

Author: alexrecuenco

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: Node.js CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [14.x, 15.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 test
+      - run: npm run lint
+      - run: npm run build:debug
+      - run: npm run build:prod