separated heuristics in a new folder

AI/src/game/config.cpp

AI/src/heuristics/go_left_up_heuristic.cpp

AI/src/heuristics/go_left_up_heuristic.hpp

AI/src/heuristics/heuristic.hpp

AI/src/heuristics/movement_freedom_heuristic.cpp

AI/src/heuristics/movement_freedom_heuristic.hpp

AI/src/heuristics/number_direction_freedom_heuristic.cpp

AI/src/heuristics/number_direction_freedom_heuristic.hpp

AI/src/heuristics/penguin_heuristic.cpp

AI/src/heuristics/penguin_heuristic.hpp

AI/src/heuristics/points_heuristic.cpp

AI/src/heuristics/points_heuristic.hpp

Makefile