Expand upon the HARD software "system" for the 2025 JuMP-dev prize (#190)

Author: odow

_posts/2025-11-30-prize_2025.md

@@ -20,8 +20,9 @@ winners:
    contributions to the Julia and JuMP communities.
 
  * Harley Mackenzie, for [telling us in a very low-key way](https://www.youtube.com/watch?v=seqc_kH-jIw)
-   about how he integrated JuMP into his system without even asking for any
-   help from us.
+   about how he integrated JuMP into his [system for operating utility-scale wind
+   and solar farms in the Australian National Energy Market](https://www.hardsoftware.com)
+   without asking for any help from us.
 
 Congratulations!