deleted unwanted json import
Merge branch 'master' of https://github.com/Yarl-IT-Hub/ySchool
added basic architecture diagram
Merge branch 'master' of https://github.com/Yarl-IT-Hub/ySchool
student refactorings
Merge branch 'master' of https://github.com/Yarl-IT-Hub/ySchool
Merge pull request #35 from pirinthapan/master

architecture diagram added
added integration tests for student new
Merge branch 'master' of https://github.com/Yarl-IT-Hub/ySchool