Add Gomboc as a gold sponsor and add speaker wall to welcome page (#15373)

Author: gallimorej

assets/sponsors/g/gomboc.png

@@ -124,8 +124,8 @@ Follow us on [Twitter](https://twitter.com/DevOpsDaysDC) or [LinkedIn](https://w
 
 <div class="row">
   <div class="col-md-12">
-  <!--  <h2>This Year's Speakers</h2>
-        <script type="text/javascript" src="https://sessionize.com/api/v2/iyil0abm/view/SpeakerWall"></script> -->
+    <h2>This Year's Speakers</h2>
+      <script type="text/javascript" src="https://sessionize.com/api/v2/bks6lqx4/view/SpeakerWall"></script>
   </div>
   <div class="col-md-12">
     <h2>Who has attended?</h2>

content/events/2025-washington-dc/welcome.md

@@ -188,6 +188,8 @@ sponsors:
     level: gold
   - id: checkmarx
     level: gold
+  - id: gomboc
+    level: gold
  #  url: http://mysponsor.com/?campaign=me # Use this if you need to over-ride a sponsor URL.
 
 sponsors_accepted : "yes" # Whether you want "Become a XXX Sponsor!" link

data/events/2025/washington-dc/main.yml

@@ -0,0 +1,2 @@
+name: "Gomboc"
+url: "https://www.gomboc.ai/"