Implement 2024 day 23

Is using networkx cheating? I don't think so. I've already solved
max-clique before, so I know I can do it

2024/tests/samples/23.txt

@@ -0,0 +1,32 @@
+kh-tc
+qp-kh
+de-cg
+ka-co
+yn-aq
+qp-ub
+cg-tb
+vc-aq
+tb-ka
+wh-tc
+yn-cg
+kh-ub
+ta-co
+de-co
+tc-td
+tb-wq
+wh-td
+ta-ka
+td-qp
+aq-cg
+wq-ub
+ub-vc
+de-ta
+wq-aq
+wq-vc
+wh-yn
+ka-de
+kh-ta
+co-tc
+wh-qp
+tb-vc
+td-yn

2024/tests/test_day23.py

@@ -0,0 +1,11 @@
+from aoc.days.day23 import DayRunner
+
+from . import get_data
+
+
+def test_sample_part1() -> None:
+    assert DayRunner.part1(get_data(23)) == 7
+
+
+def test_sample_part2() -> None:
+    assert DayRunner.part2(get_data(23)) == "co,de,ka,ta"