fix(doc) support require relative url in md page
feat(doc) can write jsx in md, Close #1113
3.3.1
feat(doc) support require('../') in md
3.3.2
Update README.md
fix(cli) spm doc command help info
fix(nico) should still support nico server
code indent
Merge branch 'master' of github.com:spmjs/spm