chore: add a bunch of automations

.github/workflows/auto-close-duplicates.yml

@@ -0,0 +1,31 @@
+name: Auto-close duplicate issues
+# description: Auto-closes issues that are duplicates of existing issues
+
+on:
+  schedule:
+    - cron: "0 9 * * *"  # Runs daily at 9 AM UTC
+  workflow_dispatch:
+
+jobs:
+  auto-close-duplicates:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: read
+      issues: write  # Need write permission to close issues and add comments
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Auto-close duplicate issues
+        run: node .github/scripts/auto-close-duplicates.mjs
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
+          GITHUB_REPOSITORY_NAME: ${{ github.event.repository.name }}