Merge pull request #528 from joeledwards/patch-8

Update day11.md with solution by joeledwards

Author: adpi2

docs/2023/puzzles/day11.md

@@ -306,6 +306,7 @@ Here are some ideas that I think would be interesting to look into:
 - [Solution](https://github.com/GrigoriiBerezin/advent_code_2023/tree/solution_11/task11/src/main/scala) by [g.berezin](https://github.com/GrigoriiBerezin)
 - [Solution](https://github.com/marconilanna/advent-of-code/blob/master/2023/Day11.scala) by [Marconi Lanna](https://github.com/marconilanna)
 - [Solution](https://github.com/Philippus/adventofcode/blob/main/src/main/scala/adventofcode2023/Day11.scala) by [Philippus Baalman](https://github.com/philippus)
+- [Solution](https://github.com/joeledwards/advent-of-code/blob/master/2023/src/main/scala/com/buzuli/advent/days/day11.scala) by [Joel Edwards](https://github.com/joeledwards)
 
 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)