Examine and improve code from Memory.js for more simple split

[gigafiga21]

• search for DOM and code dependences between menu and game
• try to make split them more simple

blocks #11

[gigafiga21]

Problem

DOM.game.cardsContainer from Game recalculates its height to be under DOM.game.deskContainer

Possible solution

Mediator for toggling Menu and Game:

• hold deskContainer link in mediator class
• show deskContainer for fan in menu under the game field
• bind click on screen switching buttons to mediator
• mediator will move provided cards by Game into provided by Menu container.

[gigafiga21]

Problem

State of Continue button (active/inactive).

Possible solution

Trigger active state after first click on New game button

[gigafiga21]

Write docs for MemoryGame in Wiki for Game, Memory classes and connected processes