Classes MovesChecker added;
Static Class Renderer added;
Class Playfield moved into separate file;
Few small changes made into the 'Program' class;

Class Playfield
 - refactoring started
 -few methods extracted
 -Method 'print' renamed to 'RenderField' and move to 'Render' class

Class Program
 -into the 'newGame' method - method call  'playfield.reset' changed to 'playfield.InitializeField'
 -into the 'Main' method's switch - method call 'playfield.print' changed to 'Render.RenderField' with parameters labyrinthGrid and player position