OCaml Planet: Add lexifi blog entry about FUN OCaml (#3362)

Author: sabine

data/planet/-individual_external_links/lexifi-at-fun-ocaml.md

@@ -0,0 +1,12 @@
+---
+title: LexiFi at FUN OCaml 2025
+description: FUN OCaml is an open-source hacking event dedicated to OCaml enthusiasts and professionals alike. The second edition took place this year on September 15 and 16 in Warsaw, Poland, and LexiFi took part in it!
+url: https://www.lexifi.com/blog/ocaml/fun-ocaml-2025/
+date: 2025-10-09T00:00:00-00:00
+preview_image: https://www.lexifi.com/blog/ocaml/fun-ocaml-2025/fun-ocaml-2025.png
+authors:
+  - "Nicolás Ojeda Bär"
+source:
+  name: "LexiFi blog"
+  url: https://www.lexifi.com/blog/ocaml
+---