Inclusion of Java based ChessGame Application into the project list.

[THIRU-1074]

chessGameEngine is lesser concept oriented yet contains many challenges at design level. Here are the following things that must be done by a chess game application :

->Board state management ->Move validation ->Capture validation ->Special moves such as Castling , Promotion, Enpassent ->Check and checkmate detection ->Move turn management ->Bot setup (eg stockfishengine) , for play with computer mode.

Refer the below repo of mine which could be included here: https://github.com/THIRU-1074/chessGameEngine