install+config Express.js
update README with chapter on how to deploy on Heroku
Merge branch 'feature/heroku_deployment' into develop
minor tweaks/typos in README
Merge branch 'hotfix/v1.4.1' into develop
Add Chinese Translation
Merge branch 'yangl1996-feature' into develop

* yangl1996-feature:
  Add Chinese Translation
  Version bump to v1.4.1
style: fix indention
feat: add .editorconfig file
Merge branch 'develop'

* develop:
  feat: add .editorconfig file
  style: fix indention
  Add Chinese Translation
  minor tweaks/typos in README
  update README with chapter on how to deploy on Heroku
  install+config Express.js
Version bump to v1.4.2