[Feature] Add GitHub Actions workflow for linting

Author: Michael Levin

.github/workflows/ci.yml

@@ -0,0 +1,19 @@
+on:
+  push:
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Code Checkout
+        uses: actions/checkout@v4
+      - name: Install Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "lts/*"
+          cache: 'npm'
+      - name: Install node dependencies
+        run: npm ci --timing
+      - name: Lint javascript
+        run: npm run lint