change possibleMoves, phase 1 to support boats
broken, because buyback wont be forced with just one boat
down, but the second boat doesnt lead to moves in phase 2 yet
=> empty moves in phase 2

add sunkboats
change possibleMoves, phase 2
still broken ofc..
change turn, phase 1
changed ai to use two boats
fix bugs
edit turn, phase 2
fix bugs
update printState