Add auto log workflow

Author: droids-164146hooking

.github/workflows/update.yml

@@ -0,0 +1,28 @@
+name: Auto log update
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '12,32,52 * * * *'
+
+permissions:
+  contents: write
+
+jobs:
+  update-log:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Update log
+        run: |
+          echo "$(date -u '+%Y-%m-%d %H:%M:%S UTC') - auto update" >> activity.log
+
+      - name: Commit & push
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add activity.log
+          git commit -m "chore: log update $(date -u '+%Y-%m-%d %H:%M')" || echo "Nothing to commit"
+          git push