feat: day11 part 2 solution

feat: day 11 part1 and unefficient part2

feat: solution for day10 part1

day 10 - start

chore: prepare for day 10

feat: correct solution for day9 part 2

feat: solution for day9 part 1 and broken solution for part 2

chore: day 8 part 2

feat: correct solution to part 1

day 8: broken solution

chore: day-7 part 2 and more

feat: day 7, part 1

feat: day 6

fix: optimize solution for day 5 part 2 with merging

feat: day 5, part 1