feat: enhance project configuration and improve data export functionality

- Updated `.gitignore` to streamline ignored files and added logging for common sites.
- Expanded `config.py` with new configurations for Weixin and Redis, and improved database connection settings.
- Refined `README.md` to clarify project structure and usage instructions.
- Enhanced `requirements.txt` with additional dependencies for MongoDB and Redis support.
- Refactored multiple spider scripts to utilize a session-based approach for HTTP requests, improving error handling and proxy management.
- Updated `export_lawyers_excel.py` to include a default timestamp for data exports.

requirements.txt

@@ -1,6 +1,18 @@
+# 数据库驱动
 pymysql>=1.0.2
+pymongo>=4.0.0
+
+# 调度器
+schedule>=1.2.0
+
+# 其他可能需要的依赖
 requests>=2.28.0
 beautifulsoup4>=4.11.0
-urllib3>=1.26.0
 lxml>=4.9.0
-openpyxl>=3.1.0
+redis>=4.0.0
+pyppeteer>=1.0.2
+# 可选：提升反检测能力
+pyppeteer-stealth>=2.7.4
+
+# 日志相关
+python-dateutil>=2.8.2