Add GitHub Actions workflow to update README with RSS

.github/workflows/rss_update.yml

@@ -0,0 +1,41 @@
+name: Update README with RSS
+
+on:
+  schedule:
+    - cron: '0 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11' # 推荐明确指定版本
+
+      # 创建并激活虚拟环境安装依赖
+      - name: Install dependencies
+        run: |
+          python -m venv venv
+          source venv/bin/activate
+          pip install feedparser
+
+      # 在运行脚本时也使用该虚拟环境
+      - name: Run update script
+        run: |
+          source venv/bin/activate
+          python scripts/update_readme.py
+
+      - name: Commit and push changes
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git add README.md
+          git diff --quiet && git diff --staged --quiet || (git commit -m "docs: auto update RSS [skip ci]" && git push)