Update day15.md (#736)

Co-authored-by: Seth Tisue <[email protected]>

docs/2024/puzzles/day15.md

@@ -9,6 +9,7 @@ https://adventofcode.com/2024/day/15
 ## Solutions from the community
 - [Solution](https://github.com/nikiforo/aoc24/blob/main/src/main/scala/io/github/nikiforo/aoc24/D15T2.scala) by [Artem Nikiforov](https://github.com/nikiforo)
 - [Solution](https://github.com/merlinorg/aoc2024/blob/main/src/main/scala/Day15.scala) by [merlinorg](https://github.com/merlinorg)
+- [Solution](https://github.com/aamiguet/advent-2024/blob/main/src/main/scala/ch/aamiguet/advent2024/Day15.scala) by [Antoine Amiguet](https://github.com/aamiguet)
 - [Solution](https://github.com/AlexMckey/AoC2024_Scala/blob/master/src/year2024/day15.scala) by [Alex Mc'key](https://github.com/AlexMckey)
 
 Share your solution to the Scala community by editing this page.