mdline should support pluggable formatter. It is similar with [textlint](https://textlint.github.io/). ## Tasks - [ ] mdline cli support `-f` and `--formatter` - `mdline -f json -o timelint.json timelint.md` - Resolve `json` with `@mdline/mdline-formatter-json` or `mdline-formatter-json` - Similar approach: https://github.com/textlint/textlint/blob/master/packages/textlint/src/engine/textlint-module-resolver.ts
mdline should support pluggable formatter.
It is similar with textlint.
Tasks
-fand--formattermdline -f json -o timelint.json timelint.mdjsonwith@mdline/mdline-formatter-jsonormdline-formatter-json