Setting for error display mode

Hey there!

I was wondering if there was a setting for how linting errors are displayed inline (or if there isn't, if we could add one).

a ts error:

This is fairly quiet (you have to be looking at that line to see the little red squiggle). Contrast this with standard's sublime-linter:

The dot + box is much more visible.

I'm not sure the scope of the work (if it's as simple as adding a setting to change how invalid lines are marked vs a large code change), but I think it'd be worth looking into!

Issue にはファイルもテストも記載されていません。まず、TypeScript の lint エラーがインラインでどのように表示されるかを追跡し、現在のマーカーを SublimeLinter の例と比較してください。要求された動作に一致する、設定可能なエラー表示モードを plugin が提供できれば完了です。