Refactor license in `Readme.md`
Refactor license in `Readme.md`

eush77/remark,wooorm/remark,tanzania82/remarks,ulrikaugustsson/mdast,yukkurisinai/mdast,chcokr/mdast,yukkurisinai/mdast,chcokr/mdast,eush77/remark,ulrikaugustsson/mdast