Revert "removing semesterwork from my main branch"

This reverts commit 60dda26214ba9f98940f631be0c2bcafc758ca7d.
adding JANSI library
deleting unusable code
refactoring
classwork
move classwork
Merge branch 'master' into Danil_Agafonov
removing FUCKING wrongly added files and add Random (benchmark) example
adding .gitignore
deleting Idea files
removing duplicate code and writing bubble sort method
new homework
new classwork
new homework
removing semesterwork form origin
Merge branch 'Danil_Agafonov'