Propose commitlint usage at applicable projects

[marionebl]

CI

• https://github.com/lerna/lerna, depends: feat(core): expose fine-grained API for subject-case #120, @commitlint/config-angular does not validate subject casing #114
• https://github.com/jquery/jquery
• https://github.com/atom/atom/
• https://github.com/codemirror/CodeMirror/
• https://github.com/emberjs/ember.js
• https://github.com/eslint/eslint
• https://github.com/expressjs/express
• https://github.com/jshint/jshint
• https://github.com/commitizen/cz-cli
• https://github.com/webpack/webpack.js.org ref: feat(automatic-release): Generation of automatic release webpack/webpack.js.org#1017
• https://github.com/redux-observable/redux-observable ref: https://github.com/redux-observable/redux-observable/blob/master/CONTRIBUTING.md#sending-a-pull-request
• https://github.com/ReactiveX/rxjs, ref: https://github.com/ReactiveX/rxjs

Bot

• https://github.com/conventional-changelog/conventional-changelog

Rejected

• https://github.com/angular/angular, depends: feat(core): expose fine-grained API for subject-case #120, @commitlint/config-angular does not validate subject casing #114 , PR: /angular/angular/20521

[marionebl]

Won't do.