Add missing file
UT: add macro to add test to suite
UT: C macro to add suite to registry
Add pieceMoveToRight function
Add pieceMoveToBottom function
Add pieceRotate function
start refactoring window, grid and main
remove old tests
separate code in core/ and gui/ directories
restaure tetris.c
update cmake script, mv color to gtk
Add make test
Add TetrominosCollection
rename constant macros
Started grid
add tetraminos void
grid use 2D array
Initialize grid
grid getter setter
Started game