Merge branch 'master' of https://github.com/cschuller/yak-js

# By cschuller (19) and Vedran Šajatović (1)
# Via Christian Schuller (1) and others
* 'master' of https://github.com/cschuller/yak-js:
  Fixes server crash.
  Internal refactoring.
  Added stars icon for an easter egg.
  Added example store file
  Updated default plugin
  Disabled no-extra-strict
  Instance API cleanup
  Instance management
  Changed to YAKjs
  git ignore updated.
  ServerConfig removed. Config contains URI for http and web socket.
  ESLint fix
  Get web socket url from YakJs server
  Filestructure reorganized. @class removed from JsDoc
  Using express to run the YAKjs UI on default port 8790
  UI build
  Fixed plugin refactoring + plugin file drop.
  Plugin Refactoring
  Reorganize project structure + Change plugin system (work in progress)
  ESLint integration and basic linting. (code broken)