add demo dir

delete demo/task_code.png

delete demo/project_structure.png

delete demo/projectManager_code.png

delete demo/artefakt.png

update dev/solution.cs

update README.md

update spec/codex.md

delete PRD.md

create spec/PRD.md

create README.md

Запрос на слияние 'uwu' (#1) из uwu в master

delete demo/screen.png

upload files

create demo/screen.png

update dev/solution.cs

добавил еще скринов