Games: Add GameOfLife

This patch introduces a new game based on Conway's Game of Life.

Userland/Games/GameOfLife/Board.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2021, Andres Crucitti <dasc495@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Vector.h>
+#include <LibGfx/Point.h>
+#include <stdio.h>
+
+class Board {
+public:
+    Board(size_t rows, size_t column);
+    ~Board();
+
+    size_t total_size() const { return m_columns * m_rows; }
+    size_t columns() const { return m_columns; }
+    size_t rows() const { return m_rows; }
+
+    size_t calculate_index(size_t row, size_t column) const { return row * m_columns + column; };
+
+    void toggle_cell(size_t index);
+    void toggle_cell(size_t row, size_t column);
+
+    void set_cell(size_t row, size_t column, bool on);
+    void set_cell(size_t index, bool on);
+
+    bool cell(size_t row, size_t column) const;
+    bool cell(size_t index) const;
+
+    const Vector<bool>& cells() const { return m_cells; }
+
+    void run_generation();
+    bool is_stalled() const { return m_stalled; }
+
+    void clear();
+    void randomize();
+
+private:
+    bool calculate_next_value(size_t index) const;
+
+    size_t m_columns { 1 };
+    size_t m_rows { 1 };
+
+    bool m_stalled { false };
+
+    Vector<bool> m_cells;
+};