Adding solution by rmarbeck (#852)

Adding solution by rmarbeck

Author: rmarbeck

docs/2025/puzzles/day01.md

@@ -9,6 +9,7 @@ https://adventofcode.com/2025/day/1
 ## Solutions from the community
 
 - [Solution](https://github.com/merlinorg/advent-of-code/blob/main/src/main/scala/year2025/day01.scala) by [merlinorg](https://github.com/merlinorg)
+- [Solution](https://github.com/rmarbeck/advent2025/blob/main/day1/src/main/scala/Solution.scala) by [Raphaël Marbeck](https://github.com/rmarbeck)
 
 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)