feat: ✨ 更新 Dockerfile，添加清华镜像源以加速依赖安装

Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /app
 
 COPY requirements.txt .
 
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 COPY . .