希望支持自定义高亮关键字

如下图所示，xshell支持自定义关键字高亮，很方便，比如：手机、邮箱、ip、错误信息等需要关注的可以直接配置

No source file, test, or entry point is named in the issue. Start by locating the terminal text-rendering and settings entry points, then determine how configurable keywords would be stored and matched; done means users can configure terms such as phone numbers, email addresses, IPs, and error messages and see them highlighted.

Written by the indexing model from the issue text.