add action to check for linting errors

.github/workflows/check_linting.yml

@@ -0,0 +1,23 @@
+name: Check linting
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          # Make sure the actual branch is checked out when running on pull requests
+          ref: ${{ github.head_ref }}
+          # This is important to fetch the changes to the previous commit
+          fetch-depth: 0
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm install --include=dev
+      - name: Check linting
+        run: npm run lint