adding a basic npm linting workflow for ui dir

Signed-off-by: greg pereira <[email protected]>

.github/workflows/lint-ui.yml

@@ -0,0 +1,36 @@
+name: Lint UI changes
+
+on:
+  push:
+    branches: ["main"]
+    paths:
+      - '.github/workflows/lint-ui.yml'
+      - 'ui/*'
+      - '!ui/README.md'
+  pull_request:
+    branches: ["main"]
+    paths:
+      - '.github/workflows/lint-ui.yml'
+      - 'ui/*'
+      - '!ui/README.md'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  npm-lint:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+      - name: Install dependencies
+        run: npm install
+        working-directory: ui
+      - name: Run UI linting
+        run: npm run lint
+        working-directory: ui