Add a Game of Life notebook

[aslakjohansen]

Inspiration:

• https://github.com/SimoneStefani/game-of-life
• Playing the Game of Life with Elixir Processes
• Using Elixir and Elm for Conway's Game of Life
• Simulating Conway's Game of Life with 100.000 Erlang Processes
• The Erlangelist - Conway's Game of Life in Elixir

[aslakjohansen]

Torben Hoffmann has an Erlang implementation that keeps per-cell history in order to support recalculation of restarted cells. A consequence of this is the need to bound the number of generations. He also has a presentation about it here.

While this solves a different set of requirements than what I usually think of in Game of Life, it is a very good example of how state can sometimes be regenerated after the crash of a statefull supervised server (i.e., a cell in this case). Perhaps both should be illustrated ...