Attempt with github actions

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+on: [push]
+
+jobs:
+  build:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+
+      - name: Install
+        uses: borales/actions-yarn@v4
+        with:
+          cmd: install
+
+      - name: Tests
+        uses: borales/actions-yarn@v4
+        with:
+          cmd: test