Add board handling file

board.c

+// Print the board to the console
+void show_board(){
+	
+	 for(int square = 0; square < 128; square++)
+    	{
+		if(!(square % 16)) printf(" %d  ", 8 - (square / 16));    
+		printf(" %s", ((square & 8) && (square += 7)) ? "\n" : chess_pieces[board[square] & 15]);  		
+    	}
+	printf("\n     a b c d e f g h \n\n\n"); // print files
+	printf("\n Enter a valid move : \n");
+	
+	
+}
+
+
+
+
+// reset the board => remove all the pieces
+void reset(){
+	for(int i = 0 ; i<8 ; i++){//loop over the ranks
+		for(int j=0;j<16;j++ ){// loop over the files
+			int square = 16 * i + j; 
+
+			// print the board's valid quares
+			if(!(square & 0x88)){
+				board[square] = e;
+			}
+		}
+		
+	}
+
+}