Add Philippus' solution for day 01

Author: Philippus

docs/2024/puzzles/day01.md

@@ -8,5 +8,7 @@ https://adventofcode.com/2024/day/1
 
 ## Solutions from the community
 
+- [Solution](https://github.com/Philippus/adventofcode/blob/main/src/main/scala/adventofcode2024/Day01.scala) by [Philippus Baalman](https://github.com/philippus)
+ 
 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)