Added many inline comments for clarity.
Introduced initial version of README with gameplay details, controls, and AI logic.
Replaced Euclidean distance with Manhattan distance in standard_distance() to better
match grid-based movement without diagonal traversal.

Changed the number of pacman's lives.
Fixed clear_or_revert_symbol().
Target hit display.
Changed ghost initialization.
Clearing ghost positions is moved to the function.
Added flag in struct ghost_type (reached_pacman).
Changed catching stage.
Now eating an energizer resets the counter.

Pacman's starting position doesn't contain a coin.
Fixed an error in field_has_energizer().
The field prints the number of pacman lives and the score.
All coin checks are moved to the field.c file.
Restart is replaced by initialization of starting parameters.
The final stage contains the game results screens.
Queue clearing is combined with field clearing.
Get_out_stage moved to struct mode_type.

Game over screen.
Corrected coordinates in is_liberation_zone().
The capture of pacman.
Changed the function name from caughting_stage() to catching_stage().

Fixed coordinate in field_has_coin.
Added marks on the field for the liberation zone (1 in front of #).
Prison parameters for the ghost are set.
Fixed condition in BFS search (additionally exclude the current point in the
loop, dx == 0 && dy == 0).

Coin checks in yellow blocks and stars.
Fixed arguments of find_free_directions function.

Reverse direction
Random direction

Yellow intersections added.