Add Day 1 solution by Quentin Bernet

Probably won't write an article, but I added comments to make it clearer

Author: Sporarum

docs/2024/puzzles/day01.md

@@ -10,3 +10,5 @@ https://adventofcode.com/2024/day/1
 
 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)
+
+- [Solution](https://scastie.scala-lang.org/Sporarum/jVlQBCvoQXCtlK4ryIn42Q/4) by [Quentin Bernet](https://github.com/Sporarum)