add dark visitor workflow

.github/workflows/daily_update.yml

@@ -0,0 +1,22 @@
+name: Daily Update from Dark Visitors
+on:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  dark-visitors:
+    runs-on: ubuntu-latest
+    name: dark-visitors
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+      - run: |
+          pip install beautifulsoup4 requests
+          git config --global user.name "dark-visitors"
+          git config --global user.email "dark-visitors@users.noreply.github.com"
+          python code/dark_visitors.py
+          git add -A
+          git commit -m "Daily update from Dark Visitors"
+          git push
+        shell: bash