dev: hardware init code added. starting to write Board methods

Board.cpp

@@ -8,15 +8,25 @@
 #include "Board.hpp"
 
 Board::Board() {
+    // set up the board grid with smart pointers
+    // initialize each square with a Piece, set to PIECE_EMPTY
+    boardGrid.resize(8);
+    for(int i = 0; i < 8; i++) {
+        boardGrid[i].resize(8);
+        for(int j = 0; j < 8; j++) {
+            boardGrid[i][j] = std::make_unique<Piece>(PIECE_EMPTY);
+        }
+    }
 }
 
 Board::~Board() {
 }
 
 void Board::setupInitialPosition() {
+    
     return;
 }
-void Board::movePiece(int fromX, int fromY, int toX, int toY) {
+void Board::movePiece(Square from, Square to) {
     return;
 }