Moved groups 1&2 project realization to a submodule

Moved groups 1&2 project realization to a submodule.

Removed project realization, prepared to move as a submodule

Пропускане на игнорирането на CMakeLists.txt

Пример за работа с пространства от имена

fixed .md formatting, group 1&2

updated group 1&2 practice project doc link

updated links, group 1&2

updated links, group 2&4

Flappy Bird Part 2 - Added sln and libs

Added Flappy Bird Part 2

set tings

project minor fixes, group 1 & 2

Update level1

Update level1