paint triangle

Signed-off-by: Ruben Mendez <ruben.mendez@gmail.com>
zIndex is bigger as smaller is the indexPath.item

Signed-off-by: Ruben Mendez <ruben.mendez@gmail.com>
firstDayView

Signed-off-by: Ruben Mendez <ruben.mendez@gmail.com>
set cell as firstSelectedDay

Signed-off-by: Ruben Mendez <ruben.mendez@gmail.com>
animate selection of firstdate

Signed-off-by: Ruben Mendez <ruben.mendez@gmail.com>