Add GitHub workflows

Author: Ivan Todinov

.github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: CI
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm install
+      - run: npm run lint
+      - run: npm run test