Adding start and end screens
Merge branch 'master' of https://github.com/diversify/janu

# By Juntima Nawilaijaroen (1) and Yoav Zimmerman (1)
# Via Juntima Nawilaijaroen (1) and Yoav Zimmerman (1)
* 'master' of https://github.com/diversify/janu:
  splash screen
  saving progress
small fix