Add Puck as a sponsor

Author: JakeSidSmith

_assets/images/sponsors/puck.png

@@ -8,6 +8,10 @@ speakers:
 image:
   url: /img/talks/2025-11-13-show-n-tell.jpg
   title: 2025 International Show 'n' Tell
+sponsors:
+  - name: Puck
+    logo: /img/sponsors/puck.png
+    link: http://puckeditor.com/
 tags:
   - showntell
   - conference
@@ -43,7 +47,7 @@ For a spot of inspiration, take a look at our International Show n' Tells in [20
 
 You will be able to join us in-person at [Projects][venue-link] ([view on Google Maps][venue-map]) or online (link added closer to the event) thanks to [Silicon Brighton](https://siliconbrighton.com/).
 
-🍕🍻 Pizza will and drinks be provided thanks to sponsorship from [FIXME](https://asyncjs.com/).
+🍕🍻 Pizza will and drinks be provided thanks to sponsorship from [Puck - the open source visual editor for React](http://puckeditor.com/).
 
 As always we welcome people of all backgrounds and experience levels, so whether you've got a few years under your belt, or you're just starting to look into development we'd love to have you along.