Initial XP lection in md
Added all text
Merge branch 'master' of https://github.com/UNN-VMK-Software/agile-course-theory
Fixed issue with images
Fixed image extension
Minor cleaning of refactoring
SOLID fixes
Merge pull request #28 from UNN-VMK-Software/minor-fixes-after-merges

Minor cleaning after merges
finish 09-ddd lecture
Merge pull request #30 from AoD314/ddd

finish 09-ddd lecture
Initial XP lection in md
Added all text
Fixed issue with images
Fixed image extension
Added styles to md
emoved redundant spaces
Removed redundant spaces
Added all text to md
Added all schemes
Removed redundant spaces