添加 GitHub Actions 工作流以同步容器镜像，更新 .gitignore 和 Python 版本文件，添加项目描述和依赖项

.github/workflows/sync.yaml

@@ -0,0 +1,50 @@
+name: Sync Container Images
+
+on:
+  schedule:
+    - cron: '0 0 * * *' # Every day at midnight
+  push:
+    branches:
+      - main
+
+jobs:
+  sync-images:
+      runs-on: ubuntu-latest
+      steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      # source registries
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_PASSWORD }}
+      
+      # target registries
+      - name: Login to Liteyuki Harbor
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.LITEYUKIHARBOR_USERNAME }}
+          password: ${{ secrets.LITEYUKIHARBOR_PASSWORD }}
+
+      - name: Setup uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          version: "latest"
+
+      - name: Run Python script
+        run: |
+          uv venv --python 3.12
+          uv install
+          uv run python sync.py
+