build: add github action for testing (#292)

Author: rejas

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: Check
+on: push
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run test
+        run: npm test