Update day14.md (#730)

Add Day14 solution by Alex Mc'key

docs/2024/puzzles/day14.md

@@ -12,6 +12,7 @@ https://adventofcode.com/2024/day/14
 - [Solution](https://github.com/rmarbeck/advent2024/blob/main/day14/src/main/scala/Solution.scala) by [Raphaël Marbeck](https://github.com/rmarbeck)
 - [Solution](https://github.com/scarf005/aoc-scala/blob/main/2024/day14.scala) by [scarf](https://github.com/scarf005)
 - [Solution](https://github.com/aamiguet/advent-2024/blob/main/src/main/scala/ch/aamiguet/advent2024/Day14.scala) by [Antoine Amiguet](https://github.com/aamiguet)
+- [Solution](https://github.com/AlexMckey/AoC2024_Scala/blob/master/src/year2024/day14.scala) by [Alex Mc'key](https://github.com/AlexMckey)
 
 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)