fixed 31 32 33 34 ,add 2 new events: BeforeChatEvent , BeforePokeEvent
What's Changed
* 添加环境变量读取优化,注释掉私聊的send by xingdeshoumin in https://github.com/JohnRichard4096/nonebot_plugin_suggarchat/pull/30
New Contributors
* xingdeshoumin made their first contribution in https://github.com/JohnRichard4096/nonebot_plugin_suggarchat/pull/30
**Full Changelog**: https://github.com/JohnRichard4096/nonebot_plugin_suggarchat/compare/1.13...1.13.1