Add github actions workflow

Author: denniskigen

.github/workflows/validate.yml

@@ -0,0 +1,61 @@
+name: validate
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    name: "Build"
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v2
+
+      - name: ⎔ Setup node
+        uses: actions/setup-node@v1
+        with:
+          node_version: 14
+
+      - run: npm install
+      - run: npm run lint
+      - run: npm run check
+      - run: npm run format
+      - run: npm run coverage
+      - run: npm run build -- --prod
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: build
+          path: |
+            build
+
+  deploy:
+    name: "Deploy"
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: ⤵️ Download build artifacts from build job
+        uses: actions/download-artifact@v2
+        with:
+          name: build
+      - uses: actions/checkout@v1
+      - uses: netlify/actions/cli@master
+        env:
+          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
+          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
+        with:
+          args: deploy --dir=build --prod
+          secrets: '["NETLIFY_AUTH_TOKEN", "NETLIFY_SITE_ID"]'
+
+  codecov:
+    name: "Coverage"
+    runs-on: ubuntu-latest
+    needs: deploy
+    steps:
+      - uses: actions/checkout@master
+      - uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}