Add rayrobdod's community solution for day 22

Author: rayrobdod

docs/2023/puzzles/day22.md

@@ -8,5 +8,7 @@ https://adventofcode.com/2023/day/22
 
 ## Solutions from the community
 
+- [Solution](https://github.com/rayrobdod/advent-of-code/blob/main/2023/22/day22.scala) by [Raymond Dodge](https://github.com/rayrobdod/)
+
 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)