Merge branch 'development' of...

Merge branch 'development' of https://github.com/University-of-Potsdam-MM/contactJS into development

# By Helena Jank (2) and hjank (1)
# Via Helena Jank (1) and hjank (1)
* 'development' of https://github.com/University-of-Potsdam-MM/contactJS:
  Update README.md
  # adjusted README to latest changes in components: inOut -> description, updateInterval
  # completed README, added contents