Merge pull request #83 from swup/chore/ci

Add unit test CI action

Author: daun

.github/workflows/unit-tests.yml

@@ -0,0 +1,28 @@
+name: Unit tests
+
+on:
+  push:
+    branches: [main, master, next]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  run-tests:
+    name: Run unit tests
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v3
+
+      - name: Set up node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - run: npm ci
+      - run: npm run build
+
+      - name: Run tests
+        run: npm run test:unit