Merge pull request #749 from nikiforo/patch-12

A day18 solution from the community

Author: gkepka

docs/2024/puzzles/day18.md

@@ -7,6 +7,7 @@ import Solver from "../../../../../website/src/components/Solver.js"
 https://adventofcode.com/2024/day/18
 
 ## Solutions from the community
+- [Solution](https://github.com/nikiforo/aoc24/blob/main/src/main/scala/io/github/nikiforo/aoc24/D18T2.scala) by [Artem Nikiforov](https://github.com/nikiforo)
 
 Share your solution to the Scala community by editing this page.
 You can even write the whole article! [See here for the expected format](https://github.com/scalacenter/scala-advent-of-code/discussions/424)