Add solution link by Antoine Amiguet (#861)

Author: aamiguet

docs/2025/puzzles/day02.md

@@ -111,5 +111,7 @@ def invalid2(id: Long): Boolean =
 - [Solution](https://github.com/stewSquared/advent-of-code/blob/master/src/main/scala/2025/Day02.worksheet.sc) by [Stewart Stewart](https://github.com/stewSquared)
 - [Live solve recording](https://www.youtube.com/watch?v=oo1J4u2zATY&list=PLnP_dObOt-rWB2QisPZ67anfI7CZx3Vsq&t=3577s) by [Stewart Stewart](https://youtube.com/@stewSquared)
 
+- [Solution](https://github.com/aamiguet/advent-2025/blob/main/src/main/scala/ch/aamiguet/advent2025/Day02.scala) by [Antoine Amiguet](https://github.com/aamiguet)
+
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