Add 'infinite' growth pattern (Block-laying switch engine) to PATTERNS

@@ -48,6 +48,9 @@ PATTERNS = {

    'pentadecathlon': [  # Period-15 oscillator

        (0, 1), (1, 1), (2, 0), (2, 2), (3, 1), (4, 1), (5, 1), (6, 1), (7, 0), (7, 2), (8, 1), (9, 1),

    ],

    'infinite': [  # Infinite growth pattern (Block-laying switch engine)

        (0, 6), (1, 4), (1, 6), (1, 7), (2, 4), (2, 6), (3, 4), (4, 2), (5, 0), (5, 2),

    ],

}