Add chromedriver.exe to Git repository

- Update .gitignore to include chromedriver.exe while excluding other driver files
- ChromeDriver is essential for Selenium automation and should be version controlled

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitignore

@@ -33,7 +33,8 @@ douyin_cdp_play_vv_*.txt
 # Chrome profiles and drivers
 # 注意：Chrome profile 包含大量缓存文件，不应加入Git
 scripts/config/chrome_profile/
-drivers/
+drivers/*
+!drivers/chromedriver.exe
 
 # Environment variables
 .env