add workflow

.github/workflows/xcm-wss-endpoints-monitor.yml

@@ -0,0 +1,31 @@
+name: XCM WS endpoints monitor
+
+on:
+  workflow_dispatch:
+  schedule:
+    # Runs every 30 minutes
+    - cron: '*/30 * * * *'
+
+jobs:
+  run_script:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: 🤘 checkout
+        uses: actions/checkout@v3
+
+      - name: ⚙️ Setup Node.js environment
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: Update npm
+        run: npm i -g npm@9
+
+      - name: ⬇️ install
+        run: npm ci --ignore-scripts
+
+      # TODO remove --include-test-chains
+      - name: 💻 Run script with ts-node
+        run: npx bun ./scripts/check-websockets.ts --slack-wh=${{ secrets.SLACK_WEBHOOK_URL }} --include-test-chains